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US Patent: 128,979
Improvement in Air Engines
Patentee: Alexander K. Rider (exact or similar names) - New York, NY USPTO Classifications: 60/508 Tool Categories: propulsion and energy : external combustion engines : hot air engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Jul. 16, 1872 Reissue Information: Reissued as RE9,359 (Aug. 31, 1880) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Delamater Iron Works "Vintage Machinery" entry for Rider-Ericsson Engine Co.

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