Fluid actuated control device for pneumatic conveyers
United States Patent 1965866

Inventors:
Tolman Jr., Edgar B.
Publication Date:
07/10/1934
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Assignee:
Tolman Jr., Edgar B.
Primary Class:
96/244
Other Classes:
261/DIG.054, 55/DIG.034, 55/468, 55/432, 96/366, 261/26, 200/81R, 406/168, 96/376
International Classes:
B65G53/66; B65G53/34