1965 – General Purpose Underwater Manipulating System Patent – Ralph K Crooks et al (American)
Publication number US3381485 Publication date 7 May 1968 Filing date 23 Oct 1965 Inventors RALPH KENT CROOKS, JAMES M. HARDENBROOK, RICHARD D. LEIS, JAMES C. SWAIN and DAVID L. THOMAS Original Assignee Battelle Development Corp General purpose underwater manipulating system ABSTRACT OF THE DISCLOSURE A cable-suspended, remote-controlled manipulating device for operation underwater. The apparatus includes propulsion means, TV camera, clamping …