Stairclimbing wheelchair
United States Patent 3178193
US Patent References:
Truck
- - 2214311
Powered invalid chair and handle control therefor
- - 2742973
Anti-skid wheel assembly
- - 2765199
Truck
- - 2214311
Powered invalid chair and handle control therefor
- - 2742973
Anti-skid wheel assembly
- - 2765199
Inventors:
Grogan, George D.
Publication Date:
04/13/1965
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Export Citation:
Assignee:
Grogan, George D.
Primary Class:
Other Classes:
280/5.220, 301/45, 280/11, 280/DIG.010
International Classes:
A61G5/06; A61G5/00
Foreign References:
| AT78898B | ||||
| GB584886A |