Coiling, making springs

Patents Grantslast 30 patents

  • Information Patent Grant

    Computer controlled coiling machine

    • Patent number 5,117,668
    • Issue date Jun 2, 1992
    • Sleeper & Hartley Corp.
    • Russell Philpot
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Computer controlled coiling machine

    • Patent number 4,934,165
    • Issue date Jun 19, 1990
    • Sleeper & Hartley Corp.
    • Russell Philpot
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents