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Chair-bed combination
United States Patent 3053568
US Patent References:
Tractional hospital litter or carriage
- - 1981271
Mechanical chair
- - 2053852
Invalid support
- - 2295006
Invalid lift and transfer apparatus
- - 2587068
Adjustable chair
- - 2672917
Inventors:
Retha, Miller
Publication Date:
09/11/1962
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Download PDF 3053568
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Assignee:
Clarence, Silva A.
Primary Class:
297/78
Other Classes:
5/610, 5/613, 5/607, 601/24, 297/344.240
International Classes:
A61G5/00
US Patent References:
2691782
Patient-carrying vehicle for hospitals