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US Patent: 151,371
Improvement in Saw Teeth
Patentee: James E. Emerson (exact or similar names) - Beaver Falls, PA USPTO Classifications: 83/843, 83/853 Tool Categories: woodworking machines : circular saws : saw teeth Assignees: None Manufacturer: Not known to have been produced Witnesses: A. G. McCreary Ira Ransom, Jr.	Patent Dates: Applied: Apr. 22, 1874 Granted: May 26, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Removeable saw tooth for cutting stone. Drop or hammer forged. Claims less time and expense to replace worn tooth than remove and sharpen the tooth.

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