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US Patent: 618,433
Reversing Gear
Patentee: George Palm (exact or similar names) - Butler, Butler County, PA USPTO Classifications: 74/831 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 18, 1897 Granted: Jan. 31, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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