1920 – Submarine Salvage Vessel – John C. Setlow (American)
1920 – Submarine Salvage Vessel by John C. Setlow   Submarine salvage vessel Publication number US1450232 A Publication type Grant Publication date Apr 3, 1923 Filing date Mar 6, 1920 Priority date Mar 6, 1920 Inventors Setlow John C Original Assignee Setlow John C Description In the usual type of submarine salvage vessels, the …
Read More “1920 – Submarine Salvage Vessel – John C. Setlow (American)”