Screw type ditch digging machine
United States Patent 2705379
US Patent References:
Excavating and granding machine
- - 1347860
Sloping-bank-cutting attachment
- - 1462488
Snow plow and loader
- - 1562842
Method of and apparatus for digging up ground from below the surface
- - 1701678
Ditch digging and cleaning machine
- - 1765919
Excavating and granding machine
- - 1347860
Sloping-bank-cutting attachment
- - 1462488
Snow plow and loader
- - 1562842
Method of and apparatus for digging up ground from below the surface
- - 1701678
Ditch digging and cleaning machine
- - 1765919
Inventors:
Curt, Fruhling
Publication Date:
04/05/1955
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Assignee:
Neue, Baumaschinen G. M. B. H.
Primary Class:
Other Classes:
37/189
International Classes:
E02F5/08
US Patent References:
Foreign References:
| DE349380C |