File cabinet interlock and reinforcing elements
United States Patent 2451012
US Patent References:
Collapsible paper box
- - 1886879


Inventors:
Philip, Zalkind
Publication Date:
10/12/1948
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Assignee:
Philip, Zalkind
Primary Class:
312/108
Other Classes:
229/199.100, 220/640, 206/509
International Classes:
A47B87/02; A47B87/00