Ralph G. Washburn

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Marion, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Temperature measurement system
- Patent number 4,359,285
- Issue date Nov 16, 1982
- The Sippican Corporation
- Ralph G. Washburn
- G08 - SIGNALLING
Information Patent Grant
Calibrating a measurement system including bridge circuit
- Patent number 4,041,382
- Issue date Aug 9, 1977
- The Sippican Corporation
- Ralph G. Washburn
- G01 - MEASURING TESTING
Information Patent Grant
Measurement system including bridge circuit
- Patent number 4,025,847
- Issue date May 24, 1977
- The Sippican Corporation
- Ralph G. Washburn
- G01 - MEASURING TESTING