Land leveler
United States Patent 3172218
US Patent References:
Automatic land leveler
- - 2283744

Plow hitch
- - 2653531

Land leveling machine
- - 2659166

Disk harrow
- - 2669818

Disk harrow
- - 2760323


Inventors:
Maurice, Constantin
Publication Date:
03/09/1965
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Assignee:
Maurice, Constantin
Primary Class:
172/780
Other Classes:
172/146, 172/401, 172/285, 280/43.130, 172/282, 172/421, 172/289, 280/444, 172/400, 172/413, 280/43.230
International Classes:
E02F3/76
US Patent References:
2764076Reversible plow
2960170Disk tillers
2979140Moldboard plow frame construction
3047969Land leveler
3052998Land leveller
3081567Land leveling implement