Title:
Earth-mover blade with vibrating attachment
United States Patent 2443492
US Patent References:
/1000337.html
- - 1000337
Fine-grading machine
- - 1768657
Mechanical excavating machine
- - 1855998
Excavating bucket
- - 2228445
/1000337.html
- - 1000337
Fine-grading machine
- - 1768657
Mechanical excavating machine
- - 1855998
Excavating bucket
- - 2228445
Inventors:
Austin, Ellsworth W.
Publication Date:
06/15/1948
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Export Citation:
Assignee:
PLANT CHOATE MFG CO INC
Primary Class:
Other Classes:
173/93, 172/40, 173/137, 91/231, 37/904, 173/133
International Classes:
E02F3/64
Foreign References:
| DE605891C |