Johannes G. Van Beek

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a plate of electrically insulating material...
- Patent number 5,833,516
- Issue date Nov 10, 1998
- U.S. Philips Corporation
- Franciscus C. M. De Haas
- B24 - GRINDING POLISHING
Information Patent Grant
Method of providing a pattern of apertures and/or cavities in a pla...
- Patent number 5,800,231
- Issue date Sep 1, 1998
- U.S. Philips Corporation
- Franciscus C. M. De Haas
- B24 - GRINDING POLISHING
Information Patent Grant
Display device having plate with electron guiding passages
- Patent number 5,767,621
- Issue date Jun 16, 1998
- U.S. Philips Corporation
- Franciscus C. M. De Haas
- B24 - GRINDING POLISHING
Information Patent Grant
Method of providing a pattern of apertures and/or cavities in a pla...
- Patent number 5,730,635
- Issue date Mar 24, 1998
- U.S. Philips Corporation
- Franciscus C. M. De Haas
- B24 - GRINDING POLISHING