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Patent number:
Patent Date:
US Patent: 889,056
Pencil-sharpener
Patentee:
Charles C. Spengler (
exact
or
similar
names) - Rockford, IL
USPTO Classifications:
144/28.9
Tool Categories:
household
:
pencil sharpeners
Assignees:
Automatic Pencil Sharpener Co.
- New York, NY
Manufacturer:
Automatic Pencil Sharpener Co.
- Chicago, IL
Witnesses:
G. A. Tauberschmidt
George L. Chindahl
C. Paul Parker
Patent Dates:
Applied:
Feb. 13, 1907
Granted:
May 26, 1908
Patent Pictures:
USPTO
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