Franciscus T. Sleegers

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Optically readable disc with a centering member fixed to a transpar...
- Patent number 5,216,664
- Issue date Jun 1, 1993
- U.S. Philips Corporation
- Franciscus T. Sleegers
- G11 - INFORMATION STORAGE
Information Patent Grant
Optically readable disc with a centering member fixed to a transpar...
- Patent number 4,899,329
- Issue date Feb 6, 1990
- U.S. Philips Corporation
- Franciscus T. Sleegers
- G11 - INFORMATION STORAGE