Title:
Lifesaving cushion
Document Type and Number:
United States Patent 2310840


Inventors:
Stidston, Crabtree Hedley
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Publication Date:
02/09/1943
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Assignee:
Stidston, Crabtree Hedley
Primary Class:
441/119
Other Classes:
441/127
International Classes:
B64D17/78; B64D17/00