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US Patent: 164,132
Improvement in cut-off-valve gears
Patentee: Hugo Bilgram (exact or similar names) - Philadelphia, PA USPTO Classifications: 91/259 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: Not known to have been produced Witnesses: Sydney Smirke, Jr. J. Jung	Patent Dates: Applied: May 22, 1875 Granted: Jun. 08, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hugo Bilgram, Bilgram Machine Works

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