Title:
Panel display apparatus
United States Patent 3222807
US Patent References:
Display sign
- - 2001424

Advertising machine
- - 2131168

Conveying apparatus
- - 2609915

Horizontally operating card display device
- - 2995846

Automatic display device
- - 3016640


Inventors:
Swank, Richard E.
Publication Date:
12/14/1965
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Assignee:
Swank, Richard E.
Primary Class:
40/426
Other Classes:
49/103, 40/476, 40/512, 49/30, 198/350, 160/193
International Classes:
G09F11/12; G09F11/00