Earl Johnson

Person

  • Dunnell, MN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Bathtub for handicapped

    • Patent number D312867
    • Issue date Dec 11, 1990
    • Alan B. Eke
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Closed loop function selector valve

    • Patent number 4,958,660
    • Issue date Sep 25, 1990
    • Daniel A. Eke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...