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Douglas L. Pettit

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  • Owatonna, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter bag clamp
    • Patent number 4,512,789
    • Issue date Apr 23, 1985
    • General Resource Corporation
    • Douglas L. Pettit
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Portable feed grinder-mixer
    • Patent number 4,432,499
    • Issue date Feb 21, 1984
    • Owatonna Manufacturing Company, Inc.
    • Larry L. Henkensiefken
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL