Title:
Sign assembly
United States Patent 3154870
US Patent References:
/1243393.html
- - 1243393

Toy block
- - 2020562

Display device
- - 2588635

Display device with interchangeable characters
- - 2624143

Badge meter
- - 2659013


Inventors:
Philip, Hopp
Woods, George H.
Gifford, Jackson Alban
Publication Date:
11/03/1964
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Assignee:
HOPP PRESS INC
Primary Class:
40/605
Other Classes:
229/69, 40/618, 40/606.190, 40/617, 24/702, 40/651
International Classes:
G09F7/00; G09F7/08; G09F15/00; G09F7/02
US Patent References:
2912013Duct construction
2976634Changeable display sign
3015899Three dimensional display device