Roger A. Keech

Person

  • CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic transmission

    • Patent number 4,109,466
    • Issue date Aug 29, 1978
    • Keech; Dana E.
    • Roger A. Keech
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...