Title:
Tractor
United States Patent 3166141
US Patent References:
/1262806.html
- - 1262806

Electrically-propelled vehicle
- - 1348568

Tractor
- - 1534329

Rigid caster
- - 1567380

Caster
- - 1823657


Inventors:
Shields, Morton K.
Shields, Russell K.
Publication Date:
01/19/1965
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Assignee:
Shields, Morton K.
Shields, Russell K.
Primary Class:
180/21
Other Classes:
280/423.100, 280/43.200, 180/19.100, 280/478.100, 180/6.200, 280/511, 280/400
International Classes:
B62D49/00; B62D51/00; B62D53/08; B62D53/00
US Patent References:
2145188Cultivator
2329372Power lawn mower
2448119Boat trailer
2484951Retractable wheeled support for luggage
2491824Industrial lift truck
2533549Power-driven wheelbarrow
2568261Stabilizer for house trailers
2715535Load handling wheeled skid
2753192Power actuated connection facilitating hitch
2851179Power bleacher operator
2872213Trailer hitch
2893019Retractible running gear for boat trailers
2911233Cluster trailer hitch
2944836Retractable trailer hitches
3049253Airplane tow tractor