Carl H. Hess

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Mentor-on-the-Lake, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Reprographic metal halide lamps having long life and maintenance
- Patent number 5,013,968
- Issue date May 7, 1991
- General Electric Company
- Timothy D. Russell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide lamps with oxidized frame parts
- Patent number 4,918,352
- Issue date Apr 17, 1990
- General Electric Company
- Carl H. Hess
- H01 - BASIC ELECTRIC ELEMENTS