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US Patent: 40,534
Improvement in machines for cutting files
Patentee: Theodore Burr (exact or similar names) - Battle Creek, MI USPTO Classifications: 76/16, 76/22 Tool Categories: tool making : making files Assignees: Isaac C. Mott - Battle Creek, MI Theodore Burr - Battle Creek, MI Manufacturer: Not known to have been produced Witnesses: Edwin C. Nichols J. W. Buckley	Patent Dates: Granted: Nov. 03, 1863 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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