Sylvester J. Dropik

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Jeannette, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuit interrupter using dielectric liquid with energy storage
- Patent number 4,307,274
- Issue date Dec 22, 1981
- Electric Power Research Institute, Inc.
- Joseph R. Rostron
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetizing current switch
- Patent number 4,029,923
- Issue date Jun 14, 1977
- Westinghouse Electric Corporation
- Jeffry R. Meyer
- H01 - BASIC ELECTRIC ELEMENTS