TREA

Richard W. Hackbarth

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  • Roseville, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water treatment apparatus
    • Patent number 4,385,987
    • Issue date May 31, 1983
    • Geo. A. Hormel & Company
    • Charles M. McGinley
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Articulated schnabel Car
    • Patent number 4,160,420
    • Issue date Jul 10, 1979
    • The Maxson Corporation
    • Richard W. Hackbarth
    • B61 - RAILWAYS
  • Information Patent Grant

    Railway flat car hand brake system
    • Patent number 4,102,212
    • Issue date Jul 25, 1978
    • The Maxson Corporation
    • Richard W. Hackbarth
    • B61 - RAILWAYS