Drive means for an invalid's bed
United States Patent 3112001
US Patent References:
/D060723.html
- - D060723

/0680891.html
- - 0680891

/0917612.html
- - 0917612

Combination bed and carriage
- - 2281209

Drive mechanism for a power mower
- - 2736389


Inventors:
Wise, Charles W.
Publication Date:
11/26/1963
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Assignee:
Wise, Charles W.
Primary Class:
180/6.500
Other Classes:
5/618, 296/20, 180/907, 152/523, 280/30, 180/343, 297/DIG.004
International Classes:
A61G5/00; A61G5/04
US Patent References:
2798565Motorized wheel chair steered by driving
2913738Invalid's bed
3064744Self-propelled wheel chair
Foreign References:
DE834486C