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US Patent: 821,546
Multiple Cylinder Engine
Patentee: Harry E. Smallbone (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 123/182.1, 123/345, 123/56.4, 123/85, 200/19.13, 92/189 Tool Categories: propulsion and energy : axial internal combustion engines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 10, 1905 Granted: May 22, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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