TREA

The Baltimore and Ohio Railroad Company

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  • Baltimore, MD, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for loosening frozen coal in hopper cars
    • Patent number 4,221,521
    • Issue date Sep 9, 1980
    • The Chesapeake and Ohio Railway Company
    • George B. Kirwan
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Railway hopper car door frame assembly
    • Patent number 4,103,817
    • Issue date Aug 1, 1978
    • The Chesapeake and Ohio Railway Company
    • Thomas G. Spatig
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR