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US Patent: 65,598
Improvement in hardening saws
Patentee: Edwin S. Piper (exact or similar names) - Indianapolis, IN USPTO Classifications: 266/274 Tool Categories: woodworking machines : specialty woodworking machines : tool making machines Assignees: Edwin S. Piper - Indianapolis, IN E. C. Atkins & Co. - Indianapolis, IN Manufacturer: Not known to have been produced Witnesses: Henry R. Huebner James William Loefer	Patent Dates: Granted: Jun. 11, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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