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Don Lenz

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  • Vibank, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic corral gate closure
    • Patent number 7,444,714
    • Issue date Nov 4, 2008
    • Prairie Valley Mfg. Inc.
    • Donald Lenz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Automatic gate closer latch
    • Patent number 7,325,842
    • Issue date Feb 5, 2008
    • Prairie Valley Mfg. Inc.
    • Don Lenz
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES