David M. Coffey

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Knox County, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Superconducting current reversing switch
- Patent number 4,906,861
- Issue date Mar 6, 1990
- Cryomagnetics, Inc.
- Apurba Roy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low current superconducting magnet with quench damage protection
- Patent number 4,763,404
- Issue date Aug 16, 1988
- Cryomagnetics, Inc.
- David M. Coffey
- H01 - BASIC ELECTRIC ELEMENTS