Bed construction
United States Patent 3191195

Inventors:
Joseph, Schlackman
Benoit, Roland A.
Publication Date:
06/29/1965
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Assignee:
ROYALMETAL CORP
Primary Class:
5/611
Other Classes:
5/618, 5/614
International Classes:
A61G7/012; A61G7/002
US Patent References:
2741092Fluid drive mechanism
Foreign References:
CH30940A