Membership
Tour
Register
Log in
Wing C. Quan
Follow
Person
Waldwick, NJ, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Voice-recognition elevator security system
Patent number
4,534,056
Issue date
Aug 6, 1985
Westinghouse Electric Corp.
Michal M. Feilchenfeld
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator system
Patent number
4,436,185
Issue date
Mar 13, 1984
Westinghouse Electric Corp.
Richard H. Ludwig
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator system
Patent number
4,317,506
Issue date
Mar 2, 1982
Westinghouse Electric Corp.
Wing C. Quan
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Elevator system
Patent number
4,084,661
Issue date
Apr 18, 1978
Westinghouse Electric Corporation
Wing C. Quan
B66 - HOISTING LIFTING HAULING