Johannes Aloysius Van Leeuwen

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a display tube
- Patent number 4,498,884
- Issue date Feb 12, 1985
- U.S. Philips Corporation
- Johannes H. Stover
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Plural gun cathode-ray tube with oval control electrodes
- Patent number 3,973,161
- Issue date Aug 3, 1976
- U.S. Philips Corporation
- Johannes Aloysius VAN Leeuwen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube frame-color selection electrode support stru...
- Patent number 3,936,691
- Issue date Feb 3, 1976
- U.S. Philips Corporation
- Gijsbertus Bakker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Picture display device and deflection coil both having self-alignin...
- Patent number 3,934,169
- Issue date Jan 20, 1976
- U.S. Philips Corporation
- Adriaan Jacob Groothoff
- H01 - BASIC ELECTRIC ELEMENTS