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US Patent: 521,443
Gas Engine
Patentee:
Sylvanus D. Shepperd - Newark, Essex County, NJ

USPTO Classifications:
123/145R, 123/182.1, 123/188.2, 123/196R, 123/324, 123/78F, 123/87, 123/90.33

Tool Categories:
propulsion and energy : internal combustion engines

Assignees:
Backus Water Motor Co. - Newark, Essex County, NJ

Manufacturer:
Backus Water Motor Co. - Newark, Essex County, NJ

Witnesses:
Robert B. Cissel
Frederick C. Fraentzel
Frank S. Ober
Alfred W. Van Zee

Patent Dates:
Applied: Oct. 26, 1893
Granted: Jun. 12, 1894

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Backus Water Motor Co.

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