Charles B. Duff

Person

  • Scottsdale, AZ, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Fly trap

    • Patent number D269897
    • Issue date Jul 26, 1983
    • Farnam Companies, Inc.
    • Charles B. Duff
    • D22 - Arms, pyrotechnics, hunting and fishing equipment