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US Patent: 949,129
Engine Indicating Apparatus
Patentee: Frederick Purdy (exact or similar names) - Kenosha, Kenosha County, WI USPTO Classifications: 123/198R, 346/107.1, 346/4 Tool Categories: propulsion and energy : internal combustion engines : internal combustion engine indicators propulsion and energy : steam apparatus : steam engine indicators Assignees: Frederick Purdy - Kenosha, Kenosha County, WI Foree Bain - La Grange, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 19, 1909 Granted: Feb. 15, 1910 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens The Story of the Steam Engine Indicator

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