Stair-climbing wheel chair
United States Patent 3196970
US Patent References:
/1263726.html
- - 1263726

Hand truck
- - 1551127

Hand truck
- - 2400824

Curb and stair climber device
- - 2736564

Motorized wheel chair steered by driving
- - 2798565


Inventors:
Brenner, Dale E.
Publication Date:
07/27/1965
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Assignee:
Brenner, Dale E.
Primary Class:
180/8.200
Other Classes:
305/1, 280/11, 280/5.260, 280/DIG.010
International Classes:
A61G5/06; A61G5/00
US Patent References:
2931449Occupant-controlled, self-propelled, obstruction-climbing vehicle
3127188
3133742Stairclimbing wheelchair
3142351Stair climbing wheelchair
Foreign References:
DE187291C