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Gerhard Fischer
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Offenbach, DE
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last 30 patents
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Patent Grant
Method and apparatus for the linear transport of materials in roll...
Patent number
5,139,337
Issue date
Aug 18, 1992
E. I. Du Pont de Nemours and Company
Gerhard Fischer
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Process for recording semihalftone images and device for conversion...
Patent number
5,014,138
Issue date
May 7, 1991
E. I. Du Pont de Nemours and Company
Gerhard Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process for recording semihalftone images and device for conversion...
Patent number
4,939,589
Issue date
Jul 3, 1990
E. I. Du Pont de Nemours and Company
Gerhard Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Process for recording semihalftone images
Patent number
4,876,611
Issue date
Oct 24, 1989
E. I. Du Pont de Nemours and Company
Gerhard Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for minimizing errors in the digital processin...
Patent number
4,709,395
Issue date
Nov 24, 1987
Dr. Ing. Rudolf Hell GmbH
Gerhard Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for producing printing forms with irregularly distributed pr...
Patent number
4,485,397
Issue date
Nov 27, 1984
Ing. Rudolf Hell GmbH
Karl Scheuter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for autotypical tonal value analysis
Patent number
4,482,923
Issue date
Nov 13, 1984
Dr. Ing. Rudolf Hell GmbH
Gerhard Fischer
H04 - ELECTRIC COMMUNICATION TECHNIQUE