1947 – Mechanical Lobster – Harry Rieseberg / Charles Warren (American)

1947 – Mechanical Lobster model by Harry Rieseberg and Charles Warren. Source: Mechanix Illustrated, Nov 1947. Mechanical “Lobster” Deep undersea the claws of this tank will rip to the heart of rotting treasure ships. THERE’S gold down on the ocean floor. Vast fortunes lie hidden in sunken caches, waiting the hand bold enough to stretch …

1940 – Diving Bell Arm With Grippers – Friedrich Gall (German)

1940 – Diving Bell Arm With Grippers by Friedrich Gall Working arm with grippers for diving chambers Publication number    DE738760 C Publication date    Aug 31, 1943 Filing date    Feb 6, 1940 Inventor    Friedrich Gall Patent Citations (4), Referenced by (3), Classifications (3) External Links: DPMA, Espacenet See other related Friedrich Gall inventions here and here. …

1913 – Manipulator Arm For Diving Bell – Charles Petit (French)

1913 – Manipulator Arm For Diving Bell by Charles Petit. Moving means for the Arbeitsgeraet of diving equipment Publication number    DE321916 C Publication date    Jun 15, 1920 Filing date    Mar 5, 1913 Applicant    Charles Petit See German patent here. See other early Underwater Robots here.

1933 – Submarine Salvage Apparatus – Eugene J. Romano (American)

1933 – Submarine Salvage Apparatus by Eugene J. Romano. For a demonstration of the robot to be used on this expedition, Lieutenant Harry E. rieseberg tackles the device in true diver's fashion. There is no dignity in entering or leaving the robot. Harry E. Rieseberg Extract from HE WALKS WITH  DAVEY JONES by Eric Strutt …

1931 – Mobile Submarine Diving Bell – Carl H. Wiley, Elbert H. Wiley (American)

1931 – Mobile Submarine Diving Bell by Carl H. Wiley, Elbert H. Wiley   3D Video by Charles Daigneault. Three million dollars in nuggets of gold! This is the lure that set a small band of adventurers sailing from Seattle, Wash., a few weeks ago. It lies under the hold of the ill-fated S. S. …