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US Patent: 168,955
Differential Gear for Traction Engines
Patentee:
James B. Annin - Rochester, Monroe County, NY

USPTO Classifications:
475/28, 475/3, 475/6

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: Dec. 10, 1872
Granted: Oct. 19, 1875

Patent Pictures:
USPTO pdf tiff
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