Johannes P. T. Franssen

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Electric discharge tube having a glass-sealed electric leadthrough...
- Patent number 4,278,912
- Issue date Jul 14, 1981
- U.S. Philips Corporation
- Gerardus A. H. M. Vrijssen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas discharge display panel and method of manufacturing the same
- Patent number 4,139,250
- Issue date Feb 13, 1979
- U.S. Philips Corporation
- Jacobus H. Jacobs
- H01 - BASIC ELECTRIC ELEMENTS