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US Patent: 484,828
Traction Engine
Patentee:
David S. Stewart - Morris, Shawano County, WI

USPTO Classifications:
180/6.48, 180/6.64, 180/6.7

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 21, 1891
Granted: Oct. 25, 1892

Patent Pictures:
USPTO pdf tiff
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