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Winrich Gall
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Klausdorf, DE
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last 30 patents
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Patent Grant
Improved method and apparatus for generating halftone images
Patent number
4,985,779
Issue date
Jan 15, 1991
Intergraph Corporation
Winrich Gall
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for producing half-tone printing forms with ro...
Patent number
4,700,235
Issue date
Oct 13, 1987
Dr. Ing. Rudolf Hell GmbH
Winrich Gall
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for reproducing an image which has a coarser r...
Patent number
4,533,942
Issue date
Aug 6, 1985
Dr. Ing. Rudolf Hell GmbH
Winrich Gall
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Production of screen printing blocks
Patent number
4,499,489
Issue date
Feb 12, 1985
Dr. Ing. Rudolf Hell GmbH
Winrich Gall
H04 - ELECTRIC COMMUNICATION TECHNIQUE