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  • CPC
  • B61F17/18
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Patents Grantslast 30 patents

  • Information Patent Grant

    2946631

    • Patent number 2,946,631
    • Issue date Jul 26, 1960
    • B61 - RAILWAYS
  • Information Patent Grant

    2777738

    • Patent number 2,777,738
    • Issue date Jan 15, 1957
    • B61 - RAILWAYS
  • Information Patent Grant

    2492267

    • Patent number 2,492,267
    • Issue date Dec 27, 1949
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2175659

    • Patent number 2,175,659
    • Issue date Oct 10, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2151731

    • Patent number 2,151,731
    • Issue date Mar 28, 1939
    • B61 - RAILWAYS
  • Information Patent Grant

    2069488

    • Patent number 2,069,488
    • Issue date Feb 2, 1937
    • B61 - RAILWAYS
  • Information Patent Grant

    1938333

    • Patent number 1,938,333
    • Issue date Dec 5, 1933
    • B61 - RAILWAYS
  • Information Patent Grant

    1869795

    • Patent number 1,869,795
    • Issue date Aug 2, 1932
    • B61 - RAILWAYS
  • Information Patent Grant

    1772679

    • Patent number 1,772,679
    • Issue date Aug 12, 1930
    • B61 - RAILWAYS
  • Information Patent Grant

    1646109

    • Patent number 1,646,109
    • Issue date Oct 18, 1927
    • B61 - RAILWAYS
  • Information Patent Grant

    1248295

    • Patent number 1,248,295
    • Issue date Nov 27, 1917
    • B61 - RAILWAYS
  • Information Patent Grant

    976314

    • Patent number 976,314
    • Issue date Nov 22, 1910
    • B61 - RAILWAYS
  • Information Patent Grant

    769040

    • Patent number 769,040
    • Issue date Aug 30, 1904
    • B61 - RAILWAYS
  • Information Patent Grant

    658686

    • Patent number 658,686
    • Issue date Sep 25, 1900
    • B61 - RAILWAYS
  • Information Patent Grant

    413771

    • Patent number 413,771
    • Issue date Oct 29, 1889
    • B61 - RAILWAYS
  • Information Patent Grant

    397901

    • Patent number 397,901
    • Issue date Feb 19, 1889
    • B61 - RAILWAYS
  • Information Patent Grant

    392593

    • Patent number 392,593
    • Issue date Nov 13, 1888
    • B61 - RAILWAYS
  • Information Patent Grant

    327675

    • Patent number 327,675
    • Issue date Oct 6, 1885
    • B61 - RAILWAYS
  • Information Patent Grant

    307322

    • Patent number 307,322
    • Issue date Oct 28, 1884
    • B61 - RAILWAYS
  • Information Patent Grant

    278698

    • Patent number 278,698
    • Issue date Jun 5, 1883
    • B61 - RAILWAYS
  • Information Patent Grant

    254857

    • Patent number 254,857
    • Issue date Mar 14, 1882
    • B61 - RAILWAYS
  • Information Patent Grant

    251869

    • Patent number 251,869
    • Issue date Jan 3, 1882
    • B61 - RAILWAYS
  • Information Patent Grant

    250522

    • Patent number 250,522
    • Issue date Dec 6, 1881
    • B61 - RAILWAYS
  • Information Patent Grant

    243792

    • Patent number 243,792
    • Issue date Jul 5, 1881
    • B61 - RAILWAYS
  • Information Patent Grant

    224751

    • Patent number 224,751
    • Issue date Feb 17, 1880
    • B61 - RAILWAYS
  • Information Patent Grant

    224047

    • Patent number 224,047
    • Issue date Feb 3, 1880
    • B61 - RAILWAYS
  • Information Patent Grant

    214592

    • Patent number 214,592
    • Issue date Apr 22, 1879
    • B61 - RAILWAYS
  • Information Patent Grant

    212631

    • Patent number 212,631
    • Issue date Feb 25, 1879
    • B61 - RAILWAYS
  • Information Patent Grant

    170338

    • Patent number 170,338
    • Issue date Nov 23, 1875
    • B61 - RAILWAYS
  • Information Patent Grant

    161069

    • Patent number 161,069
    • Issue date Mar 23, 1875
    • B61 - RAILWAYS

Patents Applicationslast 30 patents