Elisabeth J. Spiertz

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a semiconductor device, in which a photolac...
- Patent number 4,704,347
- Issue date Nov 3, 1987
- U.S. Philips Corporation
- Franciscus A. Vollenbroek
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing a semiconductor device
- Patent number 4,499,177
- Issue date Feb 12, 1985
- U.S. Philips Corporation
- Franciscus A. Vollenbroek
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of manufacturing an external electrically conducting metal p...
- Patent number 4,230,788
- Issue date Oct 28, 1980
- U.S. Philips Corporation
- Elisabeth J. Spiertz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making copies of information tracks on carriers
- Patent number 4,125,401
- Issue date Nov 14, 1978
- U.S. Philips Corporation
- Elisabeth J. Spiertz
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY