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US Patent: 550,742
Rotary Gas Engine
Patentee:
Wesley R. Campbell - Philadelphia, PA

USPTO Classifications:
123/363, 251/279, 415/165, 415/186, 415/45, 60/39.08, 60/39.27, 60/39.38, 60/39.44, 60/805

Tool Categories:
propulsion and energy : internal combustion engines : rotary engines

Assignees:
George J. Richardson - Philadelphia, PA
Edward A. Noppel - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 02, 1895
Granted: Dec. 03, 1895

Patent Pictures:
USPTO pdf tiff
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