Retainer casing
United States Patent 1835793

Inventors:
Lurie, William A.
Publication Date:
12/08/1931
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Assignee:
Lurie, William A.
Primary Class:
70/456B
Other Classes:
24/3.600, 70/456R, 206/37.600, 206/37
International Classes:
A45C11/32; A45C11/00