Inventor
LHOTAK ROGER WILLIAM
US4 patents
⚠️ This page may combine multiple inventors who share the name “LHOTAK ROGER WILLIAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHAMBERLAIN GROUP INC
3 patentsUS6414454B1Jul 2, 2002
Pass point system for controlling the operation of movable barriers
CHAMBERLAIN GROUP INC22 citations90
US6051947AApr 18, 2000
Pass point system for controlling the operation of movable barriers
CHAMBERLAIN GROUP INC38 citations90
US9458902B2Oct 4, 2016
Movable barrier hydraulic braking
CHAMBERLAIN GROUP INC2 citations60