1927 – Flexible Diving Armour – Karl Hipssich (German)
1927 – Flexible Diving Armour by Karl Hipssich. Publication number US1722375 A Publication type Grant Publication date Jul 30, 1929 Filing date Mar 16, 1927 Priority date Mar 16, 1927 Inventors Karl Hipssich Original Assignee Karl Hipssich 1. A diving apparel in the form of a diving suit and adapted to withstand high external …
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