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Inventor
SCHIENDA GREGORY A
US
3 patents
⚠️ This page may combine multiple inventors who share the name “SCHIENDA GREGORY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
2 patents
US4750591A
Jun 14, 1988
Elevator car door and motion sequence monitoring apparatus and method
OTIS ELEVATOR CO
105 citations
93
US4622551A
Nov 11, 1986
Half-duplex industrial communications system
OTIS ELEVATOR CO
32 citations
90
UNITED TECHNOLOGIES CORP
1 patent
US4930604A
Jun 5, 1990
Elevator diagnostic monitoring apparatus
UNITED TECHNOLOGIES CORP
103 citations
89