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US Patent: 456,284
Gas Engine
Patentees:
Peter T. Coffield (exact or similar names) - Springfield, Clark County, OH
Charles H. Paxson (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
123/146, 123/348, 123/41.09, 123/86, 261/96

Tool Categories:
propulsion and energy : internal combustion engines : gas and gasoline engines

Assignees:
Springfield Gas Engine Co. - Springfield, Clark County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 16, 1890
Granted: Jul. 21, 1891

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

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