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US Patent: 909,214
Admission Valve for Gas Engines
Patentee: Gustav B. Petsche (exact or similar names) - Philadelphia, PA USPTO Classifications: 123/188.2, 123/188.8, 123/324, 123/346, 123/348 Tool Categories: propulsion and energy : internal combustion engines : internal combustion engine valves Assignees: Southwark Foundry & Machine Co. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 09, 1905 Granted: Jan. 12, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Southwark Foundry

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