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US Patent: 225,555
Piston for Steam Engines
Patentee: Edgar M. Birdsall (exact or similar names) - Penn Yan, Yates County, NY USPTO Classifications: 277/470, 277/482 Tool Categories: propulsion and energy : steam engines propulsion and energy : steam apparatus : steam traction engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Hobart M. Chapman William T. Morris Charles F. Stunen R. E. White	Patent Dates: Applied: Jun. 21, 1879 Granted: Mar. 16, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Birdsall Engine Co.

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