Jeffrey D. Stephens

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Pittsburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Back-up rings for high pressure seals, packing assembly, and pumps...
- Patent number 6,769,695
- Issue date Aug 3, 2004
- KMT Waterjet Systems, Inc.
- Jeffrey D. Stephens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Back-up rings for high pressure seals, packing assembly, and pumps...
- Publication number 20030111801
- Publication date Jun 19, 2003
- Jeffrey D. Stephens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...