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Daniel L. Griffis
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Erie, PA, US
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last 30 patents
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Patent Grant
Process for preventing film stripping and grooving of a commutator
Patent number
4,580,333
Issue date
Apr 8, 1986
General Electric Company
Daniel L. Griffis
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Earth excavator including apparatus for stabilizing performance by...
Patent number
4,061,949
Issue date
Dec 6, 1977
General Electric Company
Daniel L. Griffis
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER