Frank I. Ewing

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Cleveland Heights, OH, US

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Patents Grantslast 30 patents

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
Information Patent Grant
Skin tanning fluorescent lamp construction utilizing a phosphor com...
- Patent number 4,499,403
- Issue date Feb 12, 1985
- General Electric Company
- Elton T. Leppelmeier
- H01 - BASIC ELECTRIC ELEMENTS