Now showing items 1-2 of 2

    • Automatic Back Hoe Control System 

      Caywood, James A.; De Moss, Dean M.; Fitch, Ernest C.; Osborn, Ronald F.; Matous, James O.; Oklahoma State University of Agriculture & Applied Science (U.S. Patent and Trademark Office, 1967-09-05)
      This invention relates to a backhoe, and more particularly, to a hydraulically actuated backhoe. Still more particularly, this inventiona relates to an automatice hydraulic backhoe control system which may be placed in ...
    • Hydraulic Signal Control Valve 

      Caywood, James A.; De Moss, Dean M.; Fitch, Ernest C.; Osborn, Ronald F.; Oklahoma State University of Agriculture & Applied Science (U.S. Patent and Trademark Office, 1968-06-16)
      This invention relates to a hydraulic valve. . . . The valve further includes detent means to insure that the valve spool, when moved from the nonactuated to the actuated position and vice-versa, moves quickly from one ...