Inventor
FARRIS BRADLEY
US5 patents
Patents
5 patentsUS6806665B2Oct 19, 2004
Movable barrier operator having force and position learning capability
CHAMBERLAIN GROUP INC37 citations95
US6566828B2May 20, 2003
Movable barrier operator having force and position learning capability
CHAMBERLAIN GROUP INC32 citations95
US6528961B1Mar 4, 2003
Movable barrier operator having force and position learning capability
CHAMBERLAIN GROUP INC36 citations95
US6310451B1Oct 30, 2001
Movable barrier operator having force and position learning capability
CHAMBERLAIN GROUP INC28 citations95
US6097166AAug 1, 2000
Movable barrier having force and position learning capability
CHAMBERLAIN GROUP INC29 citations95