Inventor
LAIRD EDWARD
GB8 patents
⚠️ This page may combine multiple inventors who share the name “LAIRD EDWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHAMBERLAIN GROUP INC
6 patentsUS7127847B2Oct 31, 2006
Barrier movement control safety method and apparatus
CHAMBERLAIN GROUP INC52 citations92
US7042183B2May 9, 2006
Barrier movement operator speed control
CHAMBERLAIN GROUP INC32 citations92
US6989767B2Jan 24, 2006
Obstacle detector-responsive movable barrier operator apparatus and method
CHAMBERLAIN GROUP INC24 citations92
US6670725B2Dec 30, 2003
Power apparatus for intermittently powered equipment
CHAMBERLAIN GROUP INC23 citations92
US6995533B2Feb 7, 2006
Controlled torque drive for a barrier operator
CHAMBERLAIN GROUP INC13 citations83
US7855634B2Dec 21, 2010
Barrier movement system including a combined keypad and voice responsive transmitter
CHAMBERLAIN GROUP INC7 citations73