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US Patent: 248,728
Puppet Valve
Patentee: Hamlin F. Frisbie (exact or similar names) - Cincinnati, OH USPTO Classifications: 251/175, 251/319 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 08, 1881 Granted: Oct. 25, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Frisbie Engine and Machine Co.

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