TREA

Ian Blackburn

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  • Huntington Beach, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weight transfer roller apparatus
    • Patent number 4,382,637
    • Issue date May 10, 1983
    • Robert V. Blackburn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Weight transfer roller apparatus
    • Patent number 4,285,550
    • Issue date Aug 25, 1981
    • Robert V. Blackburn
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Skateboard pivot roller
    • Patent number 4,149,735
    • Issue date Apr 17, 1979
    • Ian Blackburn
    • A63 - SPORTS GAMES AMUSEMENTS