Robert J. Zollweg

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Monroeville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Large aperture, very high temperature, hermetically sealed optical...
- Patent number 4,666,251
- Issue date May 19, 1987
- Westinghouse Electric Corp.
- Irving Liberman
- G02 - OPTICS
Information Patent Grant
Hid sodium lamp which incorporates a high pressure of xenon and a t...
- Patent number 4,179,640
- Issue date Dec 18, 1979
- Westinghouse Electric Corp.
- Daniel A. Larson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-efficiency discharge lamp which incorporates a small molar exc...
- Patent number 3,979,624
- Issue date Sep 7, 1976
- Westinghouse Electric Corporation
- Chi-sheng Liu
- H01 - BASIC ELECTRIC ELEMENTS