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US Patent: 103,529
Improvement in saw-filing machines
Patentees: Bela L. Churchill (exact or similar names) - Phillipsburg, PA George Z. Vanderslice (exact or similar names) - Phillipsburg, PA USPTO Classifications: 76/31 Tool Categories: metalworking machines : grinders : sharpening machines : saw sharpening machines Assignees: None Manufacturer: Not known to have been produced Witnesses: J. C. Richards W. Robertson Fulton	Patent Dates: Granted: May 24, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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