Concave work surface [e.g., bearing, stereotype printing plate, etc,]

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of working diffraction optical grating element shape and met...

    • Patent number 6,585,461
    • Issue date Jul 1, 2003
    • Canon Kabushiki Kaisha
    • Teruo Saito
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Internal flash removal unit

    • Patent number 4,822,221
    • Issue date Apr 18, 1989
    • McDermott Incorporated
    • Jan Illakowicz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Impeller under file machine

    • Patent number 4,578,006
    • Issue date Mar 25, 1986
    • Borg-Warner Corporation
    • Stanley J. Gray
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2896513

    • Patent number 2,896,513
    • Issue date Jul 28, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2710564

    • Patent number 2,710,564
    • Issue date Jun 14, 1955
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2635489

    • Patent number 2,635,489
    • Issue date Apr 21, 1953
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2552152

    • Patent number 2,552,152
    • Issue date May 8, 1951
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2545435

    • Patent number 2,545,435
    • Issue date Mar 13, 1951
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2341927

    • Patent number 2,341,927
    • Issue date Feb 15, 1944
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2336046

    • Patent number 2,336,046
    • Issue date Dec 7, 1943
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2230639

    • Patent number 2,230,639
    • Issue date Feb 4, 1941
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2213110

    • Patent number 2,213,110
    • Issue date Aug 27, 1940
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2168548

    • Patent number 2,168,548
    • Issue date Aug 8, 1939
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2060358

    • Patent number 2,060,358
    • Issue date Nov 10, 1936
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2050829

    • Patent number 2,050,829
    • Issue date Aug 11, 1936
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1907588

    • Patent number 1,907,588
    • Issue date May 9, 1933
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1648208

    • Patent number 1,648,208
    • Issue date Nov 8, 1927
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1593111

    • Patent number 1,593,111
    • Issue date Jul 20, 1926
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    1365174

    • Patent number 1,365,174
    • Issue date Jan 11, 1921
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1282013

    • Patent number 1,282,013
    • Issue date Oct 15, 1918
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1260903

    • Patent number 1,260,903
    • Issue date Mar 26, 1918
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1181885

    • Patent number 1,181,885
    • Issue date May 2, 1916
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1027833

    • Patent number 1,027,833
    • Issue date May 28, 1912
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    803422

    • Patent number 803,422
    • Issue date Oct 31, 1905
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    776499

    • Patent number 776,499
    • Issue date Dec 6, 1904
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    721122

    • Patent number 721,122
    • Issue date Feb 17, 1903
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    721123

    • Patent number 721,123
    • Issue date Feb 17, 1903
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    583637

    • Patent number 583,637
    • Issue date Jun 1, 1897
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    367987

    • Patent number 367,987
    • Issue date Aug 9, 1887
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    315794

    • Patent number 315,794
    • Issue date Apr 14, 1885
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR