Klaus Schmidt

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Siegen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical light switching element and method of manufacturing...
- Patent number 4,893,909
- Issue date Jan 16, 1990
- U.S. Philips Corp.
- Peter Hansen
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magneto-optical light switching element and method of manufacturing...
- Patent number 4,770,504
- Issue date Sep 13, 1988
- U.S. Philips Corp.
- Peter Hansen
- G02 - OPTICS
Information Patent Grant
Optical printer
- Patent number RE32099
- Issue date Mar 25, 1986
- U.S. Philips Corporation
- Bernhard Hill
- 346 - Recorders
Information Patent Grant
Optical printer
- Patent number 4,278,981
- Issue date Jul 14, 1981
- U.S. Philips Corporation
- Bernhard Hill
- G06 - COMPUTING CALCULATING COUNTING