Helmut J. Gassen

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Einhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a magnetic head
- Patent number 5,218,755
- Issue date Jun 15, 1993
- U.S. Philips Corporation
- Helmut J. Gassen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin-film magnetic head and magnetic head
- Patent number 5,217,819
- Issue date Jun 8, 1993
- U.S. Philips Corporation
- James R. Peterson
- G11 - INFORMATION STORAGE