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Dieter Kuppers
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Aachen, DE
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last 30 patents
Information
Patent Grant
Device for the optical scanning of a document
Patent number
4,495,412
Issue date
Jan 22, 1985
U.S. Philips Corporation
Martinus L. G. Thoone
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of producing integrated optical waveguide circuits and circu...
Patent number
4,384,038
Issue date
May 17, 1983
U.S. Philips Corporation
Giok D. Khoe
G02 - OPTICS
Information
Patent Grant
Method of producing optical fibers
Patent number
4,314,833
Issue date
Feb 9, 1982
U.S. Philips Corporation
Dieter Kuppers
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing microlenses
Patent number
4,296,143
Issue date
Oct 20, 1981
U.S. Philips Corporation
Adrianus J. J. Franken
G02 - OPTICS
Information
Patent Grant
Method of producing internally coated glass tubes for the drawing o...
Patent number
RE30635
Issue date
Jun 2, 1981
U.S. Philips Corporation
Dieter Kuppers
427 - Coating processes
Information
Patent Grant
Method of producing internally coated glass tubes for the drawing o...
Patent number
4,145,456
Issue date
Mar 20, 1979
Dieter Kuppers
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing internally coated glass tubes for the drawing o...
Patent number
4,145,458
Issue date
Mar 20, 1979
U.S. Philips Corporation
Jos Koenings
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...