Inventor
KORNBREKKE HENNING N
US8 patents
Patents
8 patentsUS4967083AOct 30, 1990
Door sensor system
STANLEY WORKS177 citations97
US4823010AApr 18, 1989
Sliding door threshold sensor
STANLEY WORKS86 citations95
US4563625AJan 7, 1986
Automatic door control system
STANLEY WORKS120 citations95
US5581944ADec 10, 1996
Electrical link and sensor system for automatic sliding doors
STANLEY WORKS102 citations94
US4698937AOct 13, 1987
Traffic responsive control system for automatic swinging door
STANLEY WORKS59 citations94
US4565029AJan 21, 1986
Traffic responsive control system for automatic swinging door
STANLEY WORKS67 citations94
US4727679AMar 1, 1988
Swing-door operator system
STANLEY WORKS153 citations93
US4669218AJun 2, 1987
Traffic responsive control system
STANLEY WORKS45 citations90