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US Patent: 431,422
Pencil-sharpener
Patentee:
Joseph Watrous (exact or similar names) - Foxborough, MA

USPTO Classifications:
144/28.7, 451/271

Tool Categories:
household : pencil sharpeners

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. F. Brown
A. D. Harrison
Patent Dates:
Applied: Dec. 13, 1889
Granted: Jul. 01, 1890

Patent Pictures:
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