1918 – Submarine Armor – Josef Kamieniecki (Russian/American)

Publication number    US1370590 A Publication type    Grant Publication date    Mar 8, 1921 Filing date    Dec 2, 1918 Priority date    Dec 2, 1918 Inventors    Josef Kamieniecki Original Assignee    Josef Kamieniecki This invention relates to submarine or diving armor, and more particularly to a metal sectional armor of this type which by reason ot its strength and …