Ulrich Grzesik

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Bergisch-Gladbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of measuring the eccentricity of a waveguide embedded in a c...
- Patent number 4,994,679
- Issue date Feb 19, 1991
- U.S. Philips Corp.
- Hildegard Esser
- G02 - OPTICS
Information Patent Grant
Connection end of a light waveguide bonded to a holder
- Patent number 4,946,248
- Issue date Aug 7, 1990
- U.S. Philips Corp.
- Ulrich Grzesik
- G02 - OPTICS
Information Patent Grant
Method of measuring optical radiation energy reflected by a reflect...
- Patent number 4,883,954
- Issue date Nov 28, 1989
- Hildegard Esser
- G01 - MEASURING TESTING
Information Patent Grant
Plug connector for the ends of two light waveguides
- Patent number 4,877,302
- Issue date Oct 31, 1989
- U.S. Philips Corp.
- Erich Schurmann
- G02 - OPTICS
Information Patent Grant
Plug pin for a light waveguide
- Patent number 4,869,571
- Issue date Sep 26, 1989
- U.S. Philips Corp.
- Horst Hubner
- G02 - OPTICS