One propeller being driven by several engines

Patents Grantslast 30 patents

  • Information Patent Grant

    2971402

    • Patent number 2,971,402
    • Issue date Feb 14, 1961
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2336966

    • Patent number 2,336,966
    • Issue date Dec 14, 1943
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2301930

    • Patent number 2,301,930
    • Issue date Nov 17, 1942
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2301463

    • Patent number 2,301,463
    • Issue date Nov 10, 1942
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2297214

    • Patent number 2,297,214
    • Issue date Sep 29, 1942
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    2284473

    • Patent number 2,284,473
    • Issue date May 26, 1942
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    2180599

    • Patent number 2,180,599
    • Issue date Nov 21, 1939
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1986066

    • Patent number 1,986,066
    • Issue date Jan 1, 1935
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1899490

    • Patent number 1,899,490
    • Issue date Feb 28, 1933
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1754192

    • Patent number 1,754,192
    • Issue date Apr 8, 1930
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1723925

    • Patent number 1,723,925
    • Issue date Aug 6, 1929
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1680672

    • Patent number 1,680,672
    • Issue date Aug 14, 1928
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1664399

    • Patent number 1,664,399
    • Issue date Apr 3, 1928
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    1564516

    • Patent number 1,564,516
    • Issue date Dec 8, 1925
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    1547173

    • Patent number 1,547,173
    • Issue date Jul 28, 1925
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    1466394

    • Patent number 1,466,394
    • Issue date Aug 28, 1923
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    1456008

    • Patent number 1,456,008
    • Issue date May 22, 1923
    • B64 - AIRCRAFT AVIATION COSMONAUTICS