Siegfried Bruggendieck

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Radevormwald, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an optical line
- Patent number 5,054,880
- Issue date Oct 8, 1991
- U.S. Philips Corp.
- Siegfried Bruggendieck
- G02 - OPTICS
Information Patent Grant
Optical communication cable
- Patent number 4,534,618
- Issue date Aug 13, 1985
- U.S. Philips Corporation
- Siegfried Bruggendieck
- G02 - OPTICS
Information Patent Grant
Overhead power cable having light conducting fibers arranged in its...
- Patent number 4,392,714
- Issue date Jul 12, 1983
- U.S. Philips Corporation
- Siegfried Bruggendieck
- G02 - OPTICS