Title:
Pneumatic life raft
United States Patent 1456168
Inventors:
Witmer, Charles C.
Beckwith, Havens
Publication Date:
05/22/1923
Export Citation:
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Assignee:
AIRSHIPS INC
Primary Class:
441/40
Other Classes:
182/139, 482/27
International Classes:
B63B7/08; B63B7/00
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