1918 - Diving Armor by Rudi De Graff. Publication number US1368786 A Publication type Grant Publication date Feb 15, 1921 Filing date Jan 12, 1918 Priority date Jan 12, 1918 Inventors Rudi De Graff The invention relates to diving suits designed for service at great depths, one hundred feet…
 1917 - Diving Armor by James F. Long. Diving Armor Publication number US1305656 A Publication type Grant Publication date Jun 3, 1919 Filing date Jan 12, 1917 Inventors James F. Long This invention relates to diving armor, and has for one of its objects to provide a device of this…
1880 - Armored Diving Suit by Stephen P. M. Tasker. An interesting pose for a patent drawing. Anyone wanting a Mechanical Man costume would be inspired by this.  Diving Apparatus Publication number US236858 A Publication type Grant Publication date Jan 18, 1881 Filing date Jun 21, 1880 Inventors Stephen…
30th November 1925: Inventor J. S. Peress explains the workings of his new rustless diving suit, made of Staybrite Silver Steel, at the Olympia Shipping Exhibition in London. The suit weighs 550 pounds and can work at a depth of 650 feet. (Photo by E. Bacon/Topical Press Agency/Hulton Archive/Getty Images)
November 1925: Mr Peress explaining the workings of his new steel diving suit, made of Staybrite Silver Steel, at the Shipping Exhibition held at Olympia. (Photo by E. Bacon/Topical Press Agency/Getty Images)