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US Patent: 307,771
Traction Engine
Patentees:
Nell Johnson - Nashotah, Waukesha County, WI
John J. Johnson - Nashotah, Waukesha County, WI
Edward Johnson - Nashotah, Waukesha County, WI

USPTO Classifications:
474/171, 474/89

Tool Categories:
propulsion and energy : steam apparatus : steam traction engines : propulsion components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 28, 1884
Granted: Nov. 11, 1884

Patent Pictures:
USPTO pdf tiff
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