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United States Patent 1337586
Inventors:
Bedinger, Singleton B.
Publication Date:
04/20/1920
View Patent Images:
Download PDF 1337586
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Assignee:
Bedinger, Singleton B.
Primary Class:
40/672
Other Classes:
40/638, 283/80
International Classes:
G09F3/14
;
G09F3/08