Title:
Buoyant article
Document Type and Number:
United States Patent 2391475

Inventors:
Newhardt, Joseph B.
Publication Date:
12/25/1945
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Referenced by:
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Assignee:
Charles, Angell H.
Primary Class:
43/3
Other Classes:
446/153
International Classes:
A01M31/06; A63H23/10; A01M31/00; A63H23/00




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