Title:
Portable seat cushion
United States Patent 3222694
US Patent References:
Combination pillow and dressing case
- - 2293530

Nonsag mattress
- - 2543218

Pressure-relieving pad
- - 2933738

Pillow
- - 2940087

Inflatable seat and back rest
- - 3112956


Inventors:
Schick, William F.
Publication Date:
12/14/1965
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Assignee:
Schick, William F.
Primary Class:
5/653
Other Classes:
297/219.100, D06/601
International Classes:
A47C7/02