Martin J. Graf

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Wickliffe, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Replaceable lamp assembly for automotive headlamps
- Patent number 5,239,226
- Issue date Aug 24, 1993
- General Electric Company
- Douglas G. Seredich
- F21 - LIGHTING
Information Patent Grant
Circular fluorescent lamp unit
- Patent number 4,447,861
- Issue date May 8, 1984
- General Electric Company
- Frederick Hetzel
- F21 - LIGHTING
Information Patent Grant
Sealed prefocused mount for plastic par lamp
- Patent number 4,339,790
- Issue date Jul 13, 1982
- General Electric Company
- James M. Hanson
- F21 - LIGHTING