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US Patent: 186,535
Improvement in caloric-engines
Patentee: Felix Brown (exact or similar names) - New York, NY USPTO Classifications: 60/650 Tool Categories: propulsion and energy : external combustion engines : hot air engines Assignees: None Manufacturer: A. & F. Brown & Co. - New York, NY Witnesses: Frank McLaughlin John W. Ripley	Patent Dates: Applied: Dec. 20, 1876 Granted: Jan. 23, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for A. & F. Brown & Co.

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