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US Patent: 2,485
Construction of rotary engines to be propelled by either water or steam
Patentees:
Harry H. Evarts (exact or similar names) - Mount Morris, NY
Peckham H. Green (exact or similar names) - Mount Morris, NY

USPTO Classifications:
415/141

Tool Categories:
propulsion and energy : steam engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James W. Riggs
A. G. Mordoff

Patent Dates:
Granted: Mar. 09, 1842

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Evarts & Merrihew

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