Invalid lifting apparatus
United States Patent 2498853
US Patent References:
/0985306.html
- - 0985306

/1016579.html
- - 1016579

/1081481.html
- - 1081481

Rest easy
- - 2255462


Inventors:
Hassold, Victor C.
Ullom, Josephus T.
Publication Date:
02/28/1950
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Assignee:
Hassold, Victor C.
Ullom, Josephus T.
Primary Class:
5/86.100
International Classes:
A61G7/10