for the underframes of locomotives

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary engine housing manufacture

    • Patent number 4,178,725
    • Issue date Dec 18, 1979
    • Caterpillar Tractor Co.
    • Alexander Goloff
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2686994

    • Patent number 2,686,994
    • Issue date Aug 24, 1954
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2305889

    • Patent number 2,305,889
    • Issue date Dec 22, 1942
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2215403

    • Patent number 2,215,403
    • Issue date Sep 17, 1940
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1754139

    • Patent number 1,754,139
    • Issue date Apr 8, 1930
    • B24 - GRINDING POLISHING