Bed bottom
United States Patent 2638606
US Patent References:
/0647374.html
- - 0647374

Hospital bed-mattress
- - 1347666

Mattress-support
- - 1353260

Cushion
- - 2012042

Draft rigging
- - 2039269


Inventors:
Austin, Dwight E.
Publication Date:
05/19/1953
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Assignee:
Austin, Dwight E.
Primary Class:
5/239
Other Classes:
5/247, 5/236.100, 5/714
International Classes:
A47C23/06; A47C23/00
US Patent References:
2049226Vacuum tube
2225858Mattress supporting structure
2259534Seat and mattress construction
2371788Cushion
2400790Baby comfort cab
2425728