Robert L. Rider

Person

  • Walkersville, MD, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Annular flow diverter valve

    • Patent number 4,193,422
    • Issue date Mar 18, 1980
    • The United States of America as represented by the United States Department o...
    • Robert L. Rider
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...