TREA

Frank H. Johnson

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  • Cambridge, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hand cart
    • Patent number 4,341,393
    • Issue date Jul 27, 1982
    • Slater Steel Industries Ltd.
    • Donald J. Gordon
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Hand cart
    • Patent number D261125
    • Issue date Oct 6, 1981
    • Slater Steel Industries Limited
    • Donald J. Gordon
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Tool carrier
    • Patent number 4,281,843
    • Issue date Aug 4, 1981
    • Slater Steel Industries, Limited
    • Frank Johnson
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS