Sam Maxwell

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Twinsburg, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual lobe, split ring, variable roller vane pump
- Patent number 6,398,528
- Issue date Jun 4, 2002
- Argo-Tech Corporation
- Lowell D. Hansen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...