Henricus C. G. Verhaar

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Low-pressure mercury discharge lamp with luminescent layer
- Patent number 5,994,831
- Issue date Nov 30, 1999
- U.S. Philips Corporation
- Dick Van der Voort
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Low-pressure mercury vapor discharge lamp
- Patent number 5,801,482
- Issue date Sep 1, 1998
- U.S. Phillips Corporation
- Henricus C.G. Verhaar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-pressure mercury vapour discharge lamp
- Patent number 5,753,999
- Issue date May 19, 1998
- U.S. Philips Corporation
- Christianus J. Roozekrans
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and device for selecting low-pressure murcury discharge lamps
- Patent number 5,669,510
- Issue date Sep 23, 1997
- U.S. Phillips Corporation
- Petrus C. Lauwerijssen
- H01 - BASIC ELECTRIC ELEMENTS