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David C. Hamilton
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Ridgewood, NJ, US
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last 30 patents
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Patent Grant
Dual, three phase, inverter-driven motor
Patent number
4,220,881
Issue date
Sep 2, 1980
Ramsey Controls, Inc.
David C. Hamilton
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Patent Grant
Electrical mounting means for thermal conduction
Patent number
4,193,444
Issue date
Mar 18, 1980
Ramsey Controls, Inc.
Robert L. Boyd
H01 - BASIC ELECTRIC ELEMENTS