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Patrick J. MacDonald
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Newcastle, WA, US
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last 30 patents
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Patent Grant
Interfacing destination entry system with building security using s...
Patent number
10,202,256
Issue date
Feb 12, 2019
Otis Elevator Company
Patrick J. MacDonald
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
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Patent Application
SYSTEM AND METHOD FOR INTERFACING DESTINATION ENTRY SYSTEM WITH BUI...
Publication number
20160152439
Publication date
Jun 2, 2016
Patrick J. MacDonald
B66 - HOISTING LIFTING HAULING