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US Patent: 431,517
Pencil-sharpener
Patentee: Henry K. Harker (exact or similar names) - Cincinnati, OH USPTO Classifications: 144/28.1, 451/314, 451/320 Tool Categories: household : pencil sharpeners Assignees: Henry K. Harker - Cincinnati, OH John H. Davis - Cincinnati, OH William D. Beggs - Cincinnati, OH Manufacturer: Samuel C. Tatum Co. - Cincinnati, OH Witnesses: Quinton Corwin Thomas Sparling	Patent Dates: Applied: Jul. 22, 1889 Granted: Jul. 01, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: According to the Office Museum website this invention was sold as the "Dollar Pencil Sharpener" by the Samuel C. Tatum Co. of Cincinnati.

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