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Pieter Hendrik Broerse
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Eindhoven, NL
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last 30 patents
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Patent Grant
Electric device provided with a metal vapor discharge lamp
Patent number
4,117,371
Issue date
Sep 26, 1978
U.S. Philips Corporation
Johannes Adrianus Josephus Maria Van Vliet
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Lighting fitting provided with at least two-low-pressure mercury va...
Patent number
4,045,664
Issue date
Aug 30, 1977
U.S. Philips Corporation
Louis Eugene Vrenken
F21 - LIGHTING