Pneumatic cushion
United States Patent 2634799
US Patent References:
/0647374.html
- - 0647374

Cushion
- - 1361453

/1446290.html
- - 1446290

Pneumatic-cushion seat
- - 1456207

Mattress
- - 1569937


Inventors:
Young, Joseph T.
Publication Date:
04/14/1953
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Assignee:
Carl, Wilson H.
Primary Class:
267/81
Other Classes:
297/DIG.003, 5/655.300
International Classes:
A47C27/08
US Patent References:
1733034Mattress
2253801Pneumatic upholstery