Robert H. Heybourne

Person

  • Surrey, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Pawl and ratchet mechanism

    • Patent number 4,429,774
    • Issue date Feb 7, 1984
    • S. S. S. Patents Limited
    • Herbert A. Clements
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...