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Vienna, AT
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last 30 patents
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Patent Grant
Chain drive system with polygon compensation
Patent number
9,718,646
Issue date
Aug 1, 2017
Otis Elevator Company
Walter Srb-Gaffron
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
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Patent Application
CHAIN DRIVE SYSTEM WITH POLYGON COMPENSATION
Publication number
20160039641
Publication date
Feb 11, 2016
OTIS ELEVATOR COMPANY
Walter Srb-Gaffron
B66 - HOISTING LIFTING HAULING