Mixer
United States Patent 2471487
US Patent References:
/0428134.html
- - 0428134

/0885781.html
- - 0885781

Foundry-mixer
- - 1337333

Crane-door-operating mechanism
- - 1457907

Material working and mixing machine
- - 1533409


Inventors:
Granath, Axel G.
Publication Date:
05/31/1949
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Assignee:
Herbert, Simpson S.
Primary Class:
366/149
Other Classes:
366/194
International Classes:
B01F15/00; B02C15/14; C06B21/00; B02C15/00
US Patent References:
1812559Railway crossing gate
1926083Sand aerating device
2007481Crossing gate
2239029Dump body