Inventor
WILLOW JUSTIN
US3 patents
Patents
3 patentsUS6417663B1Jul 9, 2002
Detecting physical objects states using electromagnetic sensors
INTERVAL RESEARCH CORP17 citations79
US6047249AApr 4, 2000
Video camera based computer input system with interchangeable physical interface
INTERVAL RESEARCH CORP8 citations71
US5953686ASep 14, 1999
Video camera based computer input system with interchangeable physical interface
INTERVAL RESEARCH CORP14 citations71