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Title:
Air mattress
Document Type and Number:
United States Patent 2623574
Inventors:
Wilhelm, Damsch Herbert Otto ER.
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Sponsored by:
Flash of Genius
Publication Date:
12/30/1952
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Referenced by:
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Assignee:
Wilhelm, Damsch Herbert Otto ER.
Primary Class:
297/111
Other Classes:
297/452.410, 297/DIG.003, 297/1, 441/129, 297/118, 441/126, 297/380, D06/335, 5/705
International Classes:
A47C4/54
;
A47C4/00
US Patent References:
1356593
2257848
Hip rest
2304700
Beach or lawn lounge
Foreign References:
GB491990A
FR700715A
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