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last 30 patents
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Patent Grant
Luminaire slat with v-shaped cross section
Patent number
5,944,411
Issue date
Aug 31, 1999
U.S. Philips Corporation
Petrus A. J. Holten
F21 - LIGHTING
Information
Patent Grant
Luminaire
Patent number
5,758,954
Issue date
Jun 2, 1998
U.S. Philips Corporation
Petrus A.J. Holten
F21 - LIGHTING