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US Patent: 433,806
Motor Engine Worked by Oil Vapor
Patentee:
Nicolaus August Otto - Cologne, German Empire

USPTO Classifications:
123/41.02, 123/41.44, 123/545, 123/585

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

Assignees:
Gas-Motoren-Fabrik-Deutz - Köln-Deutz, Germany

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 01, 1890
Granted: Aug. 05, 1890

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Otto Gas Engine Works

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