Title:
Firmness adjustment for mattresses
United States Patent 2779034
US Patent References:
/1271472.html
- - 1271472
Inflatable bed or mattress and the like
- - 2068134
Mattress or the like
- - 2328083
Compressible sectional mattress
- - 2559956
/1271472.html
- - 1271472
Inflatable bed or mattress and the like
- - 2068134
Mattress or the like
- - 2328083
Compressible sectional mattress
- - 2559956
Inventors:
Arpin, Frank D.
Publication Date:
01/29/1957
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Export Citation:
Assignee:
Arpin, Frank D.
Primary Class:
Other Classes:
5/936, 5/910, 5/709, 5/935
International Classes:
A47C27/08