Inventor
ZEPKE BRUCE
US3 patents
Patents
3 patentsUS7426981B2Sep 23, 2008
Elevator wireless communication infrastructure using piconet modules
OTIS ELEVATOR CO29 citations90
US7264090B2Sep 4, 2007
Elevator employing radio frequency identification devices (RFIDs)
OTIS ELEVATOR CO24 citations88
US8356698B2Jan 22, 2013
Wireless elevator hall fixtures integral with hall door frame
OTIS ELEVATOR CO9 citations79