Pencil sharpener
United States Patent 2254772

Inventors:
Burleigh, James K.
Leon, Schwartz
Publication Date:
09/02/1941
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Assignee:
Burleigh, James K.
Leon, Schwartz
Primary Class:
144/28.400
Other Classes:
144/28.710
International Classes:
B43L23/04; B43L23/00