John G. Rock

Person

  • Harrison Twp., MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Reusable applicator tip

    • Patent number 5,743,959
    • Issue date Apr 28, 1998
    • Libbey-Owens-Ford Co.
    • Charles E. Ash
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES