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US Patent: 34,723
Air Engine
Patentee:
S. H. Roper (exact or similar names) - Roxbury, Norfolk County, MA

USPTO Classifications:
60/39.63

Tool Categories:
propulsion and energy : external combustion engines : hot air engines

Assignees:
Elmer Townsend - Boston, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Mar. 18, 1862

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Sherrill Roper Air Engine Co.

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