Milling, planing, slotting, knurling, or broaching the working surfaces

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing a spark wheel

    • Patent number 4,217,797
    • Issue date Aug 19, 1980
    • The Gillette Company
    • Edward M. Tuckerman
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents