Petrus R. VAN Ijzendoorn

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Low-pressure discharge lamp
- Patent number 4,871,942
- Issue date Oct 3, 1989
- U.S. Philips Corporation
- Adrianus L. J. Burgmans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low pressure gas discharge lamp having fibers evenly distributed be...
- Patent number 4,221,988
- Issue date Sep 9, 1980
- U.S. Philips Corporation
- Jan Hasker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a low-pressure gas discharge lamp
- Patent number 4,143,447
- Issue date Mar 13, 1979
- U.S. Philips Corporation
- Jan Hasker
- H01 - BASIC ELECTRIC ELEMENTS