Title:
Life-saving apparatus
United States Patent 1476387


Inventors:
Atwell, Frederick W.
Application Number:
US64662723A
Publication Date:
12/04/1923
Filing Date:
06/20/1923
Assignee:
Atwell, Frederick W.
Primary Class:
Other Classes:
114/20.1
International Classes:
B63C9/20
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