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Automatic electric pencil sharpener
United States Patent 1546538
Inventors:
Andrew, Fisher
Publication Date:
07/21/1925
View Patent Images:
Download PDF 1546538
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Assignee:
Andrew, Fisher
Primary Class:
144/28.500
Other Classes:
200/61.590, 200/DIG.021
International Classes:
B43L23/02
;
B43L23/00