using a feeler or the like travelling to-and-fro between opposite parts of the outline of the pattern, model or drawing

Patents Grantslast 30 patents

  • Information Patent Grant

    Tracer control system

    • Patent number 4,467,432
    • Issue date Aug 21, 1984
    • Fujitsu Fanuc Limited
    • Ryoji Imazeki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tracer control system

    • Patent number 4,224,670
    • Issue date Sep 23, 1980
    • Fujitsu Fanuc Limited
    • Etuo Yamazaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2914991

    • Patent number 2,914,991
    • Issue date Dec 1, 1959
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1796079

    • Patent number 1,796,079
    • Issue date Mar 10, 1931
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR