Mixer agitator
United States Patent 2918264

Inventors:
Ackles, Robert N.
Publication Date:
12/22/1959
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Assignee:
ENU LAB INC
Primary Class:
Other Classes:
416/237, 366/317, 366/605
International Classes:
B01F15/00
US Patent References:
2697589Impeller wheel
2787448Rotary impeller