Howard W. Klinefelter

Person

  • Topeka, KS, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Door closure delay device

    • Patent number 5,083,342
    • Issue date Jan 28, 1992
    • Howard W. Klinefelter
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES