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Dirk van Houwelingen
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Heerlen, NL
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last 30 patents
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Patent Grant
Method of manufacturing a cathode ray tube
Patent number
6,048,240
Issue date
Apr 11, 2000
U.S. Philips Corporation
Johannes A. G. P. Damsteegt
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method of curing a film
Patent number
5,576,050
Issue date
Nov 19, 1996
U.S. Philips Corporation
Dirk Van Houwelingen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron tube with control electrode remote from anode
Patent number
4,877,996
Issue date
Oct 31, 1989
U.S. Philips Corporation
Dirk van Houwelingen
H01 - BASIC ELECTRIC ELEMENTS