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Johan Liebe
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Eindhoven, NL
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last 30 patents
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Patent Grant
High pressure discharge lamp with arc tube heat shield
Patent number
4,651,048
Issue date
Mar 17, 1987
U.S. Philips Corporation
Johan Liebe
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
High-pressure discharge lamp with shielded electrode
Patent number
4,621,216
Issue date
Nov 4, 1986
U.S. Philips Corporation
Johan Liebe
H01 - BASIC ELECTRIC ELEMENTS