Electric advertising device
United States Patent 1736613

Inventors:
Guy, Mccoshen
Publication Date:
11/19/1929
View Patent Images:
Download PDF 1736613 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Guy, Mccoshen
Primary Class:
40/426
Other Classes:
472/57
International Classes:
G09F11/34; G09F11/00