Climbing wheel chair
United States Patent 3304094
US Patent References:
/0705731.html
- - 0705731
Tractor seat leveling mechanism
- - 2572910
Chassis mechanism for wheeled vehicles
- - 2982560
Stairclimbing wheelchair
- - 3178193
Stair-climbing wheel chair
- - 3227465
/0705731.html
- - 0705731
Tractor seat leveling mechanism
- - 2572910
Chassis mechanism for wheeled vehicles
- - 2982560
Stairclimbing wheelchair
- - 3178193
Stair-climbing wheel chair
- - 3227465
Inventors:
Wenger, Richard B.
Publication Date:
02/14/1967
View Patent Images:
Export Citation:
Assignee:
Wenger, Richard B.
Primary Class:
Other Classes:
280/5.220, 280/11, 280/DIG.010
International Classes:
A61G5/06; A61G5/08; A61G5/00
US Patent References:
| 3231036 | Stair climbing invalid carriages |