Henricus Matheus Jacobus Marie van Ass

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing optical fibers for telecommunications
- Patent number 4,242,117
- Issue date Dec 30, 1980
- U.S. Philips Corporation
- Henricus M. J. M. van Ass
- G02 - OPTICS
Information Patent Grant
Glass compositions
- Patent number 4,094,689
- Issue date Jun 13, 1978
- U.S. Philips Corporation
- Henricus Matheus Jacobus Marie van Ass
- G02 - OPTICS