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Johannes H. P. Van de Heuvel
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Eindhoven, NL
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last 30 patents
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Patent Grant
Precision pressed optical components made of glass and glass suitab...
Patent number
4,391,915
Issue date
Jul 5, 1983
U.S. Philips Corporation
Gertraud A. A. Meden-Piesslinger
C03 - GLASS MINERAL OR SLAG WOOL