Title:
Pneumatic float
United States Patent 2496460
US Patent References:
/0671502.html
- - 0671502

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- - 1329687

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- - 1686366

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- - 1891491


Inventors:
Joseph, Evans
Publication Date:
02/07/1950
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Assignee:
ARMSTRONG RUBBER CO
Primary Class:
441/40
Other Classes:
441/66, 441/130, 297/118
International Classes:
B63B7/08; B63B7/00
US Patent References:
2334072Collapsible boat