TREA

Harry G. Robertson

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  • Blue Island, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Locking plate holder for railroad bearing end caps
    • Patent number 5,013,076
    • Issue date May 7, 1991
    • Railhead Corporation
    • Harry G. Robertson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pull away spill guard
    • Patent number 4,483,359
    • Issue date Nov 20, 1984
    • Railhead Corp.
    • Harry G. Robertson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hopper discharge valve
    • Patent number 4,345,859
    • Issue date Aug 24, 1982
    • Edsco, Inc.
    • Harry G. Robertson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL