James C. Crook

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Varistor disk assembly
- Patent number 5,473,212
- Issue date Dec 5, 1995
- Buehler Products, Inc.
- James C. Crook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital speed control of motors
- Patent number 4,680,515
- Issue date Jul 14, 1987
- James C. Crook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Series connected transistor protection circuit
- Patent number 4,633,151
- Issue date Dec 30, 1986
- Kollmorgen Technologies Corporation
- James C. Crook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rotor position sensor error detection
- Patent number 4,532,461
- Issue date Jul 30, 1985
- Kollmorgen Technologies Corporation
- James C. Crook
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER