Title:
Vibrating earth working apparatus
United States Patent 3398798
US Patent References:
/0367982.html
- - 0367982

/1265902.html
- - 1265902

Agricultural machine
- - 1696299

Driving or extracting piles or like members
- - 2867984

/3097537.html
- - 3097537


Inventors:
Shelton, Dothan L.
Publication Date:
08/27/1968
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Primary Class:
172/1
Other Classes:
172/40, 74/61
International Classes:
B06B1/16; E01C19/28; E02F5/32; B06B1/10; E01C19/22; E02F5/00
US Patent References:
3103250Vibrating plow
3183979Vibrating plow
3211236Subsoil tiller
3220268Vibration generator
Foreign References:
AU106589B
SU133294A
SU151643A
CH81264A