Karen F. Langhart

Person

  • Durango, CO, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Window covering cord pull safety device

    • Patent number 4,909,298
    • Issue date Mar 20, 1990
    • Richard M. Langhart
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...