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US Patent: RE12,021
Gas and Steam Convertable Engine
Patentees:
Gustave Dahlberg (exact or similar names) - McDonald, Washington County, PA
Jacob Clicquennoi (exact or similar names) - Taylorstown, Washington County, PA
Ernest Uhlin (exact or similar names) - McDonald, Washington County, PA

USPTO Classifications:
123/74AA, 60/712

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

Assignees:
D. C. & U. Gas Engine Co. - Washington County, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 07, 1901
Granted: Aug. 19, 1902

Reissue Information:
Reissue of 633,338 (Sep. 19, 1899)

Patent Pictures:
USPTO (New site tip)
Google Patents
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