TREA

Donald L. Anderson

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  • Owatonna, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check rail lock and method of making check rail lock paintable afte...
    • Patent number 5,161,839
    • Issue date Nov 10, 1992
    • Truth Division of SPX Corporation
    • Stephen M. Piltingsrud
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Window lock
    • Patent number 4,429,910
    • Issue date Feb 7, 1984
    • Truth Incorporated
    • Donald L. Anderson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Security lock
    • Patent number 4,261,602
    • Issue date Apr 14, 1981
    • Truth Incorporated
    • Donald L. Anderson
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES