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US Patent: 1,989,561
Gin Saw Filing Machine
Patentee: John R. Smith (exact or similar names) - McDonough, GA USPTO Classifications: 76/32, 76/40 Tool Categories: metalworking machines : grinders : sharpening machines agricultural : cotton gins Assignees: Henry Disston & Sons, Inc. - Tacony, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 13, 1933 Granted: Jan. 29, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen. "Vintage Machinery" entry for Henry Disston & Sons

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