Isaac P. Espy

Person

  • Tuscaloosa, AL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for operating a shaft

    • Patent number 4,920,814
    • Issue date May 1, 1990
    • Isaac P. Espy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...