Title:
Cushion for invalids
United States Patent 3158878
US Patent References:
Pillows
- - 2728926

Pressure-relieving pad
- - 2933738


Inventors:
Pernell, Robert E.
Publication Date:
12/01/1964
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Assignee:
WOOD CONVERSION CO
Primary Class:
5/630
Other Classes:
128/889, 5/653
International Classes:
A61G7/057