Title:
Sign assembly
United States Patent 3154870
Inventors:
Philip, Hopp
Woods, George H.
Gifford, Jackson Alban
Publication Date:
11/03/1964
Export Citation:
Click for automatic bibliography generation
Assignee:
HOPP PRESS INC
Primary Class:
40/605
Other Classes:
24/702, 40/606.19, 40/617, 40/618, 40/651, 229/69
International Classes:
G09F7/00; G09F7/08; G09F15/00; G09F7/00; G09F7/02; G09F15/00
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US Patent References:
3015899Three dimensional display device
2976634Changeable display sign
2912013Duct construction
2659013Badge meter
2624143Display device with interchangeable characters
2588635Display device
2020562Toy block
1243393N/A