Title:
Raft-boarding aid
United States Patent 2869150


Inventors:
Manhart, Charles E.
Application Number:
US69906957A
Publication Date:
01/20/1959
Filing Date:
11/26/1957
Assignee:
Manhart, Charles E.
Primary Class:
International Classes:
B63B27/14; B63C9/02
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US Patent References:
1174594N/A1916-03-07