David Dunn

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Windham, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Home gaussmeter with filter-integrator circuit for measuring elf ra...
- Patent number 5,150,051
- Issue date Sep 22, 1992
- Memtec Corporation
- Michael Friedman
- G01 - MEASURING TESTING
Information Patent Grant
Vibration damper for a transducer carriage drive mechanism for use...
- Patent number 4,263,632
- Issue date Apr 21, 1981
- MFE Corporation
- Edward F. Burke
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer positioning apparatus
- Patent number 4,198,871
- Issue date Apr 22, 1980
- MFE Corporation
- David S. Dunn
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle drive system
- Patent number 4,197,489
- Issue date Apr 8, 1980
- MFE Corporation
- David S. Dunn
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducer positioning system
- Patent number 4,085,427
- Issue date Apr 18, 1978
- Data General Corporation
- David Dunn
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-locked loops
- Patent number 4,069,462
- Issue date Jan 17, 1978
- Data General Corporation
- David Dunn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE