Title:
Pontoon
Document Type and Number:
United States Patent 1821320
Inventors:
Plummer, Sidney G.
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Publication Date:
09/01/1931
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Referenced by:
Export Citation:
Assignee:
Plummer, Sidney G.
Primary Class:
Other Classes:
114/267, 114/52, 441/133, 52/395
International Classes:
B63B35/34