Virgil R. Spurgeon

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Turbo-expander control
- Patent number 4,281,970
- Issue date Aug 4, 1981
- Phillips Petroleum Company
- William S. Stewart
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...