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US Patent: 203,550
Improvement in machines for sharpening pencils
Patentee: Francis Livingston (exact or similar names) - Newark, NJ USPTO Classifications: 144/28.8 Tool Categories: household : pencil sharpeners Assignees: None Manufacturer: Not known to have been produced Witnesses: W. T. Mersereau E. E. Bond	Patent Dates: Applied: Oct. 15, 1877 Granted: May 14, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: According to the Office Museum website there is no evidence that this early patent mechanical pencil sharpener was manufactured.

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