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Arne L. Duwaer
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Ossining, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Light valve projection system with improved illumination
Patent number
5,146,248
Issue date
Sep 8, 1992
North American Philips Corporation
Arne L. Duwaer
G02 - OPTICS
Information
Patent Grant
Cathode ray tube including a magnetic focusing lens
Patent number
5,117,152
Issue date
May 26, 1992
U.S. Philips Corporation
Arne L. Duwaer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin film active matrix and addressing circuitry therefor
Patent number
4,922,240
Issue date
May 1, 1990
North American Philips Corp.
Arne L. Duwaer
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Color projection television system with apparatus for correcting mi...
Patent number
4,835,602
Issue date
May 30, 1989
North American Philips Corporation
Arne L. Duwaer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Three tube color projection television system having multispot blue...
Patent number
4,807,014
Issue date
Feb 21, 1989
U.S. Philips Corporation
Aart A. Van Gorkum
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Faceplate cooling system for display tube
Patent number
4,775,817
Issue date
Oct 4, 1988
U.S. Philips Corporation
Arne L. Duwaer
H01 - BASIC ELECTRIC ELEMENTS