Back rests
United States Patent 3121884
US Patent References:
Headrest
- - 2613731

Sewing machine lid and anti-skid cover therefor
- - 2940210

Back rests
- - 3041637


Inventors:
Emery, William M.
Publication Date:
02/25/1964
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Assignee:
BETTER SLEEP MFG CO
Primary Class:
5/634
Other Classes:
248/455
International Classes:
A47C9/10; A47C9/00