1956 – Underwater Craft – Jack. D. Robinson, Jr. A.M.F. (American)
Publication number US2987893 Publication date Jun 13, 1961 Filing date Oct 29, 1956 Inventor: Jack D. Robinson Jr. Original Assignee: American Machine & Foundry UNDERWATER CRAFT. Jack. D. Robinson, Jr., Norwalk, Conn., assignor to American Machine & Foundry Company, a corporation of New Jersey Filed Oct. 29, 1956. This invention relates to mobile underwater craft …
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