Days, C.[Charles]
* 1995: Monitoring systems to measure and display flight characteristics of moving sports object
* 1996: Method and apparatus to determine object striking instrument movement conditions
* 1998: Method and apparatus to determine object striking instrument movement conditions
* 2001: Method and apparatus to determine golf ball trajectory and flight
* 2002: Method and apparatus to determine golf ball trajectory and flight
* 2002: Method and apparatus to determine golf ball trajectory and flight
* 2003: Method and apparatus to determine golf ball trajectory and flight
* 2004: Launch monitor system with a calibration fixture and a method for use thereof
* 2004: Method and apparatus to determine golf ball trajectory and flight
* 2006: Method and apparatus to determine golf ball trajectory and flight
* 2008: Launch monitor system with a calibration fixture and a method for use thereof
11 for Days, C.