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US Patent: 163,163
Improvement in Saw Gummers
Patentee: Thomas S. Disston (exact or similar names) - Philadelphia, PA USPTO Classifications: 76/44 Tool Categories: Assignees: Henry Disston & Sons, Inc. - Philadelphia, PA Manufacturer: Henry Disston & Sons, Inc. - Philadelphia, PA Witnesses: Wm. A. Steel Hubert Howson	Patent Dates: Applied: Aug. 07, 1874 Granted: May 11, 1875 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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