Side booms
United States Patent 3005559
US Patent References:
Crane
- - 1443376

Hoisting mechanism
- - 2013690

Boom stop
- - 2376019

Pipe laying tractor
- - 2712873

Side boom for tractors
- - 2885092


Inventors:
Toderick, Samuel L.
Publication Date:
10/24/1961
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Assignee:
JOHN DEERE PLOW COMPANY
Primary Class:
212/280
Other Classes:
212/293, 212/258
International Classes:
B66C13/18; B66C23/72; B66C23/00