Title:
HEAD OR BACK SUPPORT FOR WHEELCHAIRS
United States Patent 3497259
Inventors:
Sherfey, William E.
Publication Date:
02/24/1970
Export Citation:
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Assignee:
William, Sherfey E.
Primary Class:
297/391
Other Classes:
297/45, 297/408, 297/DIG.4
International Classes:
A61G5/12; A61G5/00; (IPC1-7): A47C7/36; A47C4/28
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US Patent References:
2561616Convertible wheel chair
1721221Surgical arm chair
0527056N/A




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