Title:
Panel mounting apparatus
United States Patent 2993290
US Patent References:
Self-locking tubular frame display device
- - 2749636


Inventors:
Jerome, Bell
Fites, Larry L.
Kelley, Athol A.
Publication Date:
07/25/1961
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Assignee:
UPJOHN CO
Primary Class:
40/791
Other Classes:
55/DIG.031
International Classes:
G09F1/12; G09F1/00