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Title:
Collapsible life preserver
Document Type and Number:
United States Patent 2890467
Inventors:
Cowell, Ishmael L.
Publication Date:
06/16/1959
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Assignee:
Cowell, Ishmael L.
Primary Class:
441/123
International Classes:
B63C9/15
;
B63C9/00
US Patent References:
1875630
Swimming belt
2536847
Life preserver
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