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Penn Research Corporation
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Kennesaw, GA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Laser furnace and method for zone refining of semiconductor wafers
Patent number
4,780,590
Issue date
Oct 25, 1988
Penn Research Corporation
Donald B. Griner
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73483861 - LASERBLADE PROCESSOR
Serial number
73483861
Registration number
1330688
Filing date
Jun 6, 1984
Penn Research Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73483860 - LASERBLADE
Serial number
73483860
Registration number
1330687
Filing date
Jun 6, 1984
Penn Research Corporation
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments