Title:
Material spreading and mixing apparatus
United States Patent 3419221
Inventors:
Fyrk, Clas O. F.
Publication Date:
12/31/1968
Export Citation:
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Assignee:
SWENSON SPREADER & MFG CO
Primary Class:
239/656
Other Classes:
239/670, 239/676, 239/683
International Classes:
A01C17/00; E01C19/20; A01C17/00; E01C19/00
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US Patent References:
3210084Devices for spreading granular or powdery material
2813722Fertilizer distributor
1894223Spreader




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