Title:
Fluid operated diving platform
United States Patent 2212460

Inventors:
Stephenson, Jay G.
Publication Date:
08/20/1940
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Assignee:
Stephenson, Jay G.
Primary Class:
482/31
Other Classes:
91/342, 187/272, 91/220, 91/347, 414/674
International Classes:
A63B5/10; A63B5/00