Title:
Insulated air mattress
United States Patent 2620493
Inventors:
Brelsford, Harry W.
Publication Date:
12/09/1952
Export Citation:
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Assignee:
Brelsford, Harry W.
Primary Class:
5/700
Other Classes:
5/413R, 5/413AM, 5/709, 5/712, 5/950, 156/292, 441/135
International Classes:
A47C27/08; A47G9/08; A47G9/00; A47C27/08; A47G9/00
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US Patent References:
2253801Pneumatic upholstery
1643373Method and mechanism for making tapered shingles
1352231Padding
1332983Briqueting-machine