Title:
Extendable sign exhibitor
Document Type and Number:
United States Patent 2746188

Inventors:
Sweetnam, George E.
Publication Date:
05/22/1956
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Referenced by:
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Assignee:
Sweetnam, George E.
Primary Class:
40/614
Other Classes:
40/491, 40/513, 40/470
International Classes:
G09F19/12
US Patent References:
0639679
0888082
1152780
2688813Animated illuminated sign
Foreign References:
DE265545C




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