Title:
Locking device
United States Patent 2204928

Inventors:
Culver, Edwin S.
Publication Date:
06/18/1940
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Assignee:
OLIVER UNITED FILTERS INC
Primary Class:
210/404
Other Classes:
242/587.100, 24/461, 24/456, 29/451, 242/586.200, 29/235, 101/415.100, 210/233, 492/48
International Classes:
B01D33/067; F16B39/284; B01D33/06; F16B39/00