embodying screws with non-uniform pitch

Patents Grantslast 30 patents

  • Information Patent Grant

    3208338

    • Patent number 3,208,338
    • Issue date Sep 28, 1965
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3105410

    • Patent number 3,105,410
    • Issue date Oct 1, 1963
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2998749

    • Patent number 2,998,749
    • Issue date Sep 5, 1961
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2572992

    • Patent number 2,572,992
    • Issue date Oct 30, 1951
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2555460

    • Patent number 2,555,460
    • Issue date Jun 5, 1951
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2506347

    • Patent number 2,506,347
    • Issue date May 2, 1950
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2501462

    • Patent number 2,501,462
    • Issue date Mar 21, 1950
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    2397668

    • Patent number 2,397,668
    • Issue date Apr 2, 1946
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    1645367

    • Patent number 1,645,367
    • Issue date Oct 11, 1927
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY