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Inventor
SCREVEN CHRISTOPHER P
US
2 patents
Patents
2 patents
US5387769A
Feb 7, 1995
Local area network between an elevator system building controller, group controller and car controller, using redundant communication links
OTIS ELEVATOR CO
73 citations
92
US5308943A
May 3, 1994
Convertible hybrid touch button switch
OTIS ELEVATOR CO
21 citations
89