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US Patent: 102,924
Improvement in machines for punching metal
Patentee: Ellis Doty (exact or similar names) - Janesville, WI USPTO Classifications: 74/50, 74/570.1, 83/628 Tool Categories: metalworking machines : metal shearing machines metalworking machines : metal punching machines Assignees: None Manufacturer: Doty Mfg. Co. - Janesville, WI Witnesses: H. A. Doty P. J. Fryer	Patent Dates: Granted: May 10, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: An undated poster reads, "Doty Mfg. Co. / Founders, Manufacturers & Machinists, of Doty's Patent Improved Punching & Shearing Machinery..."

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