Henderikus deVroome

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Glass composition for a lamp envelope of a black light blue lamp
- Patent number 5,612,263
- Issue date Mar 18, 1997
- U.S. Philips Corporation
- Bartholomeus Filmer
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for the precision moulding of glass articles, method of manu...
- Patent number 4,397,669
- Issue date Aug 9, 1983
- U.S. Philips Corporation
- Jan Haisma
- C03 - GLASS MINERAL OR SLAG WOOL