Patent_Number
* 2,638,033, May 1953.
* 2,724,742, November 22, 1955.
* 2,927,962, March 8, 1960.
* 2,946,851, July 1960.
* 3,069,654, December 18, 1962.
* 3,505,465, April, 1970.
* 3,582,884, June 1, 1971.
* 3,609,670, September, 1971.
* 3,744,025, July 3, 1973.
* 3,761,876, September 25, 1973.
* 3,795,452, March 5, 1974.
* 3,806,871, April 23, 1974.
* 3,820,067, June 25, 1974.
* 3,833,882, September 03, 1974.
* 3,938,089, February 10, 1976.
* 3,958,117, May 18, 1976.
* 3,976,383, August 24, 1976.
* 3,978,450, August 31, 1976.
* 3,999,161, 12/21/1976.
* 4,002,899, 01/11/1977.
* 4,047,152, September 1977.
* 4,056,716, November 1, 1977.
* 4,058,706, November 15, 1977.
* 4,061,998, 12/06/1977.
* 4,077,053, 02/28/1978.
* 4,084,255, 1978.
* 4,103,287, July 25, 1978.
* 4,103,847, 08/01/1978.
* 4,106,726, 08/15/1978.
* 4,110,737, 08/29/1978.
* 4,130,819, 06/22/1977.
* 4,133,004, 01/02/1979.
* 4,135,815, 01/23/1979.
* 4,144,543, 03/13/1979.
* 4,144,547, 03/13/1979.
* 4,152,772, 05/01/1979.
* 4,156,230, 05/22/1979.
* 4,162,482, 07/24/1979
* 4,162,775, 07/31/1979.
* 4,180,800, December 25, 1979.
* 4,183,013, 01/08/1980.
* 4,185,271, January 22, 1980.
* 4,186,378, 01/29/1980.
* 4,202,011, 05/06/1980.
* 4,214,265, 07/22/1980.
* 4,218,703, August 19, 1980.
* 4,218,704, August 19, 1980
* 4,220,967, 09/02/1980.
* 4,222,076, 09/09/1980.
* 4,225,885, 09/30/1980.
* 4,232,338, November 4, 1980
* 4,246,473, December 20, 1981.
* 4,254,400, 03/03/1981.
* 4,257,703, 03/24/1981.
* 4,257,705, 03/24/1981.
* 4,261,018, April 7, 1981.
* 4,288,782, 09/08/1981.
* 4,302,775, 11/24/1981.
* 4,303,947, 12/01/1981.
* 4,307,377, 12/22/1981.
* 4,307,420, December 22, 1981.
* 4,308,523, 12/29/1981.
* 4,346,405, 08/24/1982.
* 4,349,277, September 14, 1982.
* 4,355,301, October 19, 1982.
* 4,364,023, December 14, 1982.
* 4,368,462, 01/11/1983.
* 4,371,865, 02/01/1983.
* 4,371,895, 02/01/1983.
* 4,383,272, May 10, 1983.
* 4,385,363, 05/24/1983.
* 4,393,394, 1983.
* 4,394,774, 07/19/1983.
* 4,398,256, 08/09/1983.
* 4,400,828, 08/23/1983.
* 4,402,012, 08/30/1983.
* 4,410,916, 10/18/1983.
* 4,415,880, 11/15/1983.
* 4,433,325, 02/21/1984.
* 4,437,119, 03/13/1984.
* 4,460,923, 07/17/1984.
* 4,490,853, December 25, 1984.
* 4,497,065, 01/29/1985.
* 4,513,441, 04/23/1985.
* 4,525,859, 06/25/1985.
* 4,527,283, July 2, 1985
* 4,541,012, 09/10/1985.
* 4,542,526, 09/17/1985.
* 4,546,386, 10/08/1985.
* 4,549,212, 10/22/1985.
* 4,556,985, 12/03/1985.
* 4,566,763, January 1986.
* 4,581,760, 04/08/1986.
* 4,603,430, 07/29/1986.
* 4,603,431, 07/29/1986.
* 4,611,347, 09/09/1986.
* 4,618,988, 10/21/1986.
* 4,630,308, 12/16/1986.
* 4,641,244, February 3, 1987.
* 4,650,333, March 17, 1987.
* 4,656,511, 04/07/1987.
* 4,661,853, 04/28/1987.
* 4,661,986, 04/28/1987.
* 4,672,444, 06/09/1987.
* 4,677,476, 06/30/1987.
* 4,685,070, August 17, 1993.
* 4,685,142, August 4, 1987
* 4,696,046, 09/22/1987.
* 4,698,689, 10/06/1987.
* 4,700,401, 10/13/1987.
* 4,701,960, 10/20/1987.
* 4,707,727, November 17, 1987.
* 4,718,103, January 5, 1988.
* 4,718,104, 1987.
* 4,729,021, 03/01/1988.
* 4,731,857, March 15, 1988.
* 4,739,401, 04/19/1988.
* 4,757,551, 07/12/1988.
* 4,764,805, 08/16/1988.
* 4,773,098, 09/20/1988.
* 4,789,934, December 6, 1988.
* 4,797,942, 01/10/1989.
* 4,813,004, 03/14/1989
* 4,817,166, March 28, 1989.
* 4,817,169, March 28, 1989.
* 4,821,336, 04/11/1989.
* 4,839,648, 06/13/1989.
* 4,843,630, June 27, 1989.
* 4,847,772, 07/11/1989.
* 4,847,912, July 11, 1989.
* 4,849,914, July 18, 1989.
* 4,858,150, August 15, 1989.
* 4,866,438, 09/12/1989.
* 4,884,072, November 28, 1989.
* 4,896,363, 01/23/1990.
* 4,897,717, 01/30/1990.
* 4,907,001, 03/06/1990.
* 4,917,812, 1989.
* 4,924,310, 05/08/1990.
* 4,925,274, 05/15/1990
* 4,935,616, 1990.
* 4,949,388, 08/14/1990.
* 4,972,256, November 20, 1990
* 4,985,766, January 15, 1991.
* 4,985,768, January 15, 1991.
* 4,992,963, February 12, 1991.
* 5,001,766, March 19, 1991.
* 5,005,205, April 2, 1991.
* 5,010,502, April 23, 1991.
* 5,034,986, 07/23/1991.
* 5,034,990, July 23, 1991.
* 5,049,991, September 17, 1991.
* 5,058,182, October 15, 1991.
* 5,060,285, October 22, 1991.
* 5,062,141, October 29, 1991.
* 5,083,200, 01/21/1992.
* 5,099,324, 03/24/1992.
* 5,109,435, 04/28/1992.
* 5,111,511, 05/05/1992.
* 5,119,445, 06/02/1992.
* 5,129,015, July 7, 1992.
* 5,138,668, August 11, 1992.
* 5,140,416, Augst 18, 1992.
* 5,142,592, August 25, 1992.
* 5,146,228, 01/24/1990.
* 5,148,497, September 15, 1992. Filed 14 Feb 1990.
* 5,148,522, 09/15/1992.
* 5,150,426, 09/22/1992.
* 5,153,927, October 6, 1992
* 5,157,732, 10/20/1992
* 5,159,557, 10/27/1992.
* 5,161,107, 11/03/1992
* 5,166,681, 07/30/1990.
* 5,212,547, 05/18/1993.
* 5,224,179, 06/29/1993.
* 5,231,697, July 27, 1993.
* 5,237,647, August 17, 1993.
* 5,241,395, August 31, 1993.
* 5,251,265, October 5, 1993.
* 5,267,332, 11/30/1993.
* 5,283,573, February 1, 1994,
* 5,291,560, March 1, 1994.
* 5,296,852, 03/22/1994.
* 5,301,239, 02/03/1992.
* 5,307,136, 10/14/1992.
* 5,313,528, May 17, 1994.
* 5,313,533, May 17, 1994.
* 5,321,768, June 14, 1994.
* 5,325,449, June 28, 1994.
* 5,327,262, July 5, 1994.
* 5,333,209, July 26, 1994.
* 5,335,289, August 2, 1994.
* 5,335,290, August 2, 1994.
* 5,335,298, August 2, 1994.
* 5,339,172, August 16, 1994.
* 5,341,143, 08/23/1994.
* 5,341,226, August 23, 1994.
* 5,359,363, October 1994.
* 5,359,666, 10/25/1994.
* 5,359,674, 10/25/1994,
* 5,363,209, November 8, 1994.
* 5,363,297, November 8, 1994.
* 5,379,130, January 3, 1995.
* 5,379,373, January 3, 1995.
* 5,390,259, February 14, 1995.
* 5,406,501, 04/11/1995,
* 5,410,611, April 25, 1995.
* 5,412,738, May 2, 1995.
* 5,422,959, June 6, 1995.
* 5,425,109, June 13, 1995.
* 5,425,110, June 13, 1995.
* 5,430,808, July 4, 1995.
* 5,432,547, July 11, 1995.
* 5,434,966, July 18, 1995.
* 5,450,531, September 12, 1995.
* 5,459,797, December 17, 1995.
* 5,475,768, 12/12/1995.
* 5,495,538, March 8, 1995.
* 5,506,918, April 9, 1996.
* 5,521,841, May 28, 1996.
* 5,539,840, 07/23/1996.
* 5,539,841, July 23, 1996.
* 5,554,983, September 10, 1996.
* 5,555,362, September 10, 1996.
* 5,555,556, September 10, 1996
* 5,559,895, September 24, 1996.
* 5,563,718, October 8, 1996.
* 5,579,471, November 26, 1996.
* 5,583,659, November 10, 1994.
* 5,583,947, 12/10/1996.
* 5,586,063, 12/17/1996.
* 5,592,567, 01/07/1997.
* 5,594,469, 01/14/1997.
* 5,594,810, January 14, 1997.
* 5,598,006, January 28, 1997.
* 5,602,760, 02/11/1997.
* 5,611,000, March 11, 1997.
* 5,627,675, May 1997.
* 5,640,466, June 17, 1997.
* 5,642,299, 06/24/1997.
* 5,646,614, 07/08/1997.
* 5,647,058, July 8, 1997,
* 5,649,032, July 15, 1997.
* 5,675,666, April 29, 1997.
* 5,675,666, October 17, 1997.
* 5,682,249, October 28, 1997.
* 5,694,492, December 2, 1997.
* 5,696,964, December 9,1997.
* 5,703,677, December 30, 1997.
* 5,719,959, 02/17/1998.
* 5,729,471, March 17, 1998.
* 5,742,699, 04/21/1998.
* 5,745,126, April 28, 1998.
* 5,751,286, May 12, 1998.
* 5,757,287, May 26, 1998.
* 5,760,826, June 2, 1998.
* 5,771,485, 06/23/1998.
* 5,774,586, June 30, 1998.
* 5,774,591, June 30, 1998.
* 5,778,088, July 7, 1998.
* 5,781,650, July 14, 1998.
* 5,802,220, Sep 1, 1998
* 5,805,745, September 8, 1998.
* 5,842,194, November 24, 1998.
* 5,847,755, 12/08/1998.
* 5,850,352, December 15, 1998.
* 5,854,855, December 29, 1998.
* 5,907,629, 1999.
* 5,915,250, June 22, 1999.
* 5,920,376, July 1999.
* 5,923,776, July 13, 1999.
* 5,956,468, September 21, 1999.
* 6,009,212, December 28, 1999.
* 6,021,210, February 1, 2000.
* 6,044,166, 03/28/2000.
* 6,044,181, March 28, 2000.
* 6,067,111, 05/23/2000.
* 6,072,889, 06/06/2000.
* 6,075,557, June 13, 2000.
* 6,075,895, 06/13/2000.
* 6,108,444, August 22, 2000.
* 6,111,978, 2000.
* 6,118,474, September 12, 2000.
* 6,157,018, December 5, 2000.
* 6,219,090, April 17, 2001.
* 6,236,740, May 22, 2001.
* 6,247,813, November 4, 1999.
* 6,249,600, June 19, 2001.
* 6,257,389, July 10, 2001.
* 6,266,442, July 24, 2001.
* 6,289,113, November 25, 1998.
* 6,301,374, October 09, 2001.
* 6,307,954, October 23, 2001.
* 6,309,069, November 24, 1998.
* 6,323,761, June 3, 2000.
* 6,323,942, November 2001.
* 6,327,378, December 4, 2001.
* 6,333,988, December 2, 1998.
* 6,343,149, January 29, 2002
* 6,363,161, March 26, 2002.
* 6,377,699, November 25, 1998.
* 6,437,823, August 20, 2002
* 6,449,384, September 10, 2002.
* 6,453,056, September 17, 2002.
* 6,459,451, October 1, 2002.
* 6,469,710, October 22, 2002.
* 6,480,229, November 12, 2002.
* 6,553,152, April 22, 2003.
* 6,590,999, July 8, 2003.
* 6,611,615, Augst 26, 2003.
* 6,633,686, October 14, 2003.
* 6,664,956, December 16, 2003.
* 6,687,421, February 3, 2004.
* 6,778,207, August 17, 2004.
* 6,788,333, September 7, 2004.
* 6,885,760, April 26, 2005.
* 6,904,170, June 7, 2005.
* 6,963,662, November 8, 2005.
* 7,016,824, March 21, 2006.
* 7,031,555, April 18, 2006.
* 7,038,712, May 2, 2006.
* 7,038,712, May 9, 2006.
* 7,068,303, June 27, 2006.
* 7,076,114, July 11, 2006.
* 7,097,311, August 29, 2006
* 7,099,860, August 29, 2006.
* 7,103,211, September 5, 2006
* 7,119,833, October 10, 2006
* 7,133,083, November 7, 2006.
* 7,149,325, December 12, 2006.
* 7,155,030, December 26, 2006.
* 7,167,519, January 23, 2007.
* 7,191,164, March 13, 2007.
* 7,194,127, March 20, 2007.
* filed October 18, 2002.
* The US Patent and Trademark Office:
336 for Patent_Number