Donald D. Kinsworthy

Person

  • Dayton, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    High efficiency blower

    • Patent number 4,890,598
    • Issue date Jan 2, 1990
    • Nu-Tech Industries, Inc.
    • Donald D. Kinsworthy
    • F24 - HEATING RANGES VENTILATING