of diamond tools

Patents Grantslast 30 patents

  • Information Patent Grant

    Ultra precise tool forming apparatus

    • Patent number 4,493,166
    • Issue date Jan 15, 1985
    • Zenith Electronics Corporation
    • Howard G. Lange
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3060781

    • Patent number 3,060,781
    • Issue date Oct 30, 1962
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2429464

    • Patent number 2,429,464
    • Issue date Oct 21, 1947
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2423777

    • Patent number 2,423,777
    • Issue date Jul 8, 1947
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents