Jean Chen

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Parsippany, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Elevator system graceful degradation of bank service
- Patent number 4,765,442
- Issue date Aug 23, 1988
- Westinghouse Electric Corp.
- Jeffrey W. Blain
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator system master car switching
- Patent number 4,762,204
- Issue date Aug 9, 1988
- Westinghouse Electric Corp.
- Jeffrey W. Blain
- B66 - HOISTING LIFTING HAULING