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US Patent: 16,695
Saw-file
Patentees: Archibald Robins (exact or similar names) - Watkins, NY Alanson Shewman (exact or similar names) - Watkins, NY Lawson E. Bigelow (exact or similar names) - Watkins, NY USPTO Classifications: 137/630.2, 76/33 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: A. N. Ackley E. O. Allen	Patent Dates: Granted: Feb. 24, 1857 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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