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US Patent: 425,600
Tractor
Patentee:
George H. Edwards - Chicago, IL

USPTO Classifications:
180/9.38, 305/49

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: Jul. 06, 1889
Granted: Apr. 15, 1890

Patent Pictures:
USPTO pdf tiff
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