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Rick C. Oltman

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  • Waterloo, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Shaft bearing wear detector
    • Patent number 5,224,835
    • Issue date Jul 6, 1993
    • Viking Pump, Inc.
    • Rick C. Oltman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...