1919 – Deep-sea Salvage Apparatus – Alfred E. Lemon (American)

1919 – Deep-sea Salvage Apparatus by Alfred E. Lemon. Deep-sea salvage apparatus Publication number    US1415661 A Publication type    Grant Publication date    May 9, 1922 Filing date    Dec 30, 1919 Priority date    Dec 30, 1919 Inventors    Lemon Alfred E Original Assignee    Lemon Alfred E The object of the invention is to provide a new and improved …