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David C. Whipple
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Cohasset, MA, US
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last 30 patents
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Patent Grant
Low loss permanent magnet motor
Patent number
4,868,479
Issue date
Sep 19, 1989
The Charles Stark Draper Laboratory, Inc.
Ahn Byong-Ho
G01 - MEASURING TESTING
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Patent Grant
Inertial energy storage device and synchronous rotary electrical ma...
Patent number
4,631,456
Issue date
Dec 23, 1986
The Charles Stark Draper Laboratory, Inc.
Robert D. Drescher
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER