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US Patent: 556,346
Traction Engine
Patentee:
Stephen B. Gray (exact or similar names) - Jacksonville, Morgan County, IL

USPTO Classifications:
180/233, 180/262, 180/38, 180/6.24, 74/721

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 21, 1895
Granted: Mar. 17, 1896

Patent Pictures:
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