Material spreading and mixing apparatus
United States Patent 3419221
US Patent References:
Spreader
- - 1894223
Fertilizer distributor
- - 2813722
Devices for spreading granular or powdery material
- - 3210084
Spreader
- - 1894223
Fertilizer distributor
- - 2813722
Devices for spreading granular or powdery material
- - 3210084
Inventors:
Fyrk, Clas O. F.
Publication Date:
12/31/1968
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Assignee:
SWENSON SPREADER & MFG CO
Primary Class:
Other Classes:
239/683, 239/676, 239/670
International Classes:
A01C17/00; E01C19/20; E01C19/00