Title:
Elevating wheel chair seat
Document Type and Number:
United States Patent 3076678

Inventors:
Griffin, Waldo R.
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Sponsored by:
Flash of Genius
Publication Date:
02/05/1963
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Assignee:
Freeland Jr., R. L.
Primary Class:
297/339
Other Classes:
297/45, 280/11, 280/DIG.010, 297/DIG.004
International Classes:
A61G5/08; A61G5/10; A61G5/00
US Patent References:
2326379Mattress frame elevating and lowering mechanism for cribs
2486015Collapsible wheel chair
2850075Invalid chair assembly


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