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US Patent: 744,295
Spring-motor
Patentee: William U. Colthar (exact or similar names) - Springfield, OH USPTO Classifications: 185/39, 185/40D, 235/144.0PN, 74/141, 74/143, 74/544, 74/578 Tool Categories: household : sewing machines Assignees: William J. Johnson - Yellowsprings, OH Manufacturer: Not known to have been produced Witnesses: E. O. Hagan Irvine Miller	Patent Dates: Applied: Apr. 24, 1903 Granted: Nov. 17, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Victor Vise Co.

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