Pillow for prone posture sleeping
United States Patent 2556629
US Patent References:
Vehicle seat construction
- - 1976326


Inventors:
O'brien, Catherine M.
Publication Date:
06/12/1951
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Assignee:
O'brien, Catherine M.
Primary Class:
5/638
Other Classes:
5/640, 5/643
International Classes:
A47G9/10; A47G9/00
Foreign References:
DE199301C
CH228181A
GB548990A
GB581530A