Richard A. Sparks

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Bedford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for measuring magnetic field characteristics of magnetic...
- Patent number 4,465,974
- Issue date Aug 14, 1984
- Raytheon Company
- Richard A. Sparks
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring magnetic field characteristics of magnetic mate...
- Patent number 4,340,861
- Issue date Jul 20, 1982
- Raytheon Company
- Richard A. Sparks
- G01 - MEASURING TESTING
Information Patent Grant
Ganged radio frequency filter
- Patent number 4,044,318
- Issue date Aug 23, 1977
- Raytheon Company
- Edward J. Daly
- G01 - MEASURING TESTING