TREA

Timothy B. H. Bull

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  • Annandale, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rail grinding machine
    • Patent number 4,829,723
    • Issue date May 16, 1989
    • Loram Maintenance of Way, Inc.
    • Timothy B. H. Bull
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Railroad mounted trench digger
    • Patent number 4,713,898
    • Issue date Dec 22, 1987
    • Loram Maintenance of Way, Inc.
    • Timothy B. H. Bull
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING