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Dawn Technology Limited
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Tsim Sha Tsui, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Multiresonant self-oscillating converter circuit
Patent number
5,303,137
Issue date
Apr 12, 1994
Dawn Technologies, Ltd.
William A. Peterson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
77431463 - DI-GPS
Serial number
77431463
Filing date
Mar 25, 2008
Dawn Technology Limited
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments