Hans Schuddekopf

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Hanover, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of marking disc-shaped information carriers
- Patent number 4,834,843
- Issue date May 30, 1989
- U.S. Philips Corporation
- Hermann Koop
- B44 - DECORATIVE ARTS
Information Patent Grant
Disc-shaped information carrier and method of manufacturing it
- Patent number 4,747,093
- Issue date May 24, 1988
- Polygram International Holding B.V.
- Karsten Benne
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc-shaped information carrier and method of manufacturing it
- Patent number 4,726,006
- Issue date Feb 16, 1988
- Polygram International Holding B.V.
- Karsten Benne
- G11 - INFORMATION STORAGE