Ernest R. Koppl

Person

  • South Euclid, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Insert check valve or the like

    • Patent number 4,257,444
    • Issue date Mar 24, 1981
    • Transamerica DeLaval Inc.
    • Francis H. Ogle
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...