Inventor
BLACKABY BARRY GRAHAM
US4 patents
⚠️ This page may combine multiple inventors who share the name “BLACKABY BARRY GRAHAM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
3 patentsUS7882938B2Feb 8, 2011
Elevator system control providing specialized service features to facilitate a passenger accessing an assigned elevator car
OTIS ELEVATOR CO34 citations89
US6364066B1Apr 2, 2002
Remote rescue of trapped elevator passengers
OTIS ELEVATOR CO65 citations88
US8028809B2Oct 4, 2011
Elevator system control providing specialized service features and individual location information
OTIS ELEVATOR CO8 citations81