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US Patent: 147,536
Improvement in sharpening-machines
Patentee: Baxter D. Whitney (exact or similar names) - Winchendon, MA USPTO Classifications: 29/90.01, 451/67, 76/89.2 Tool Categories: metalworking machines : grinders : sharpening machines Assignees: None Manufacturer: Baxter D. Whitney & Son, Inc. - Winchendon, MA Witnesses: A. L. Youngs J. B. Woodruff	Patent Dates: Applied: Mar. 26, 1873 Granted: Feb. 17, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Baxter D. Whitney & Son, Inc.
Description: This patent was subsequently improved in patent 390,931.

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