1916 – Machine for Submarine Salvage Operations – Alexander J. Bergeron (American)
1916 – Machine for Submarine Salvage Operations by Alexander J. Bergeron MACHINE FOR SUBMARINE SALVAGE OPERATIONS Publication number US1304012 A Publication type Grant Publication date May 20, 1919 Filing date May 11, 1916 Inventors Alexander J. Bergeron Description The object of my invention is to provide a machine for sub-marine salvage operations, adapted at all …
Read More “1916 – Machine for Submarine Salvage Operations – Alexander J. Bergeron (American)”