David S. Kutz

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Randolph, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical monitoring system for hoistway door interlocks
- Patent number 6,382,362
- Issue date May 7, 2002
- Inventio AG
- David S. Kutz
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Hydraulic elevator system
- Patent number 4,932,502
- Issue date Jun 12, 1990
- Inventio AG
- Jeffrey W. Blain
- B66 - HOISTING LIFTING HAULING