Grinding mill
United States Patent 2012266

Inventors:
Bailey, Ervin G.
Cassidy, Perry R.
Hardgrove, Ralph M.
Publication Date:
08/27/1935
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Assignee:
FULLER LEHIGH CO
Primary Class:
241/43
Other Classes:
241/58, 74/415, 241/105, 74/420
International Classes:
B02C15/12; B02C15/00