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US Patent: 220,631
Traction Engine
Patentees:
Montague M. McGregor - Rockwall, Rockwall County, TX
James C. Croxton - Rockwall, Rockwall County, TX

USPTO Classifications:
180/36, 91/354

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 14, 1879
Granted: Oct. 14, 1879

Patent Pictures:
USPTO pdf tiff
Google Patents
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