Inventor
FARRIS BRADFORD L
US14 patents
⚠️ This page may combine multiple inventors who share the name “FARRIS BRADFORD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHAMBERLAIN GROUP INC
11 patentsUS6154544ANov 28, 2000
Rolling code security system
CHAMBERLAIN GROUP INC186 citations99
US7412056B2Aug 12, 2008
Rolling code security system
CHAMBERLAIN GROUP INC62 citations98
US6810123B2Oct 26, 2004
Rolling code security system
CHAMBERLAIN GROUP INC86 citations98
US6690796B1Feb 10, 2004
Rolling code security system
CHAMBERLAIN GROUP INC109 citations98
US6181255B1Jan 30, 2001
Multi-frequency radio frequency transmitter with code learning capability
CHAMBERLAIN GROUP INC222 citations98
US6025785AFeb 15, 2000
Multiple code formats in a single garage door opener including at least one fixed code format and at least one rolling code format
CHAMBERLAIN GROUP INC127 citations98
US5949349ASep 7, 1999
Code responsive radio receiver capable of operation with plural types of code transmitters
CHAMBERLAIN GROUP INC95 citations98
US8633797B2Jan 21, 2014
Rolling code security system
CHAMBERLAIN GROUP INC31 citations96
US7623663B2Nov 24, 2009
Rolling code security system
CHAMBERLAIN GROUP INC44 citations96
US7492898B2Feb 17, 2009
Rolling code security system
CHAMBERLAIN GROUP INC46 citations96
US6980655B2Dec 27, 2005
Rolling code security system
CHAMBERLAIN GROUP INC59 citations96