Richard J. Birch

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Wellesley, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling the movement of a free, gas-dr...
- Patent number 5,048,297
- Issue date Sep 17, 1991
- Domenico S. Sarcia
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...