Prasanta K. Roy

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Bristol, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas compressor head and discharge valve construction
- Patent number 5,203,857
- Issue date Apr 20, 1993
- Bristol Compressors, Inc.
- Gerald L. Terwilliger
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Gas compressor head and discharge valve construction
- Patent number 5,080,130
- Issue date Jan 14, 1992
- Bristol Compressors, Inc.
- Gerald L. Terwilliger
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...