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US Patent: 119,878
Improvements in Traction Engines
Patentee:
Robert Crouch Parvin - Philadelphia, PA

USPTO Classifications:
180/9.38, 280/93.504

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. M. Hyne
F. B. Curtis
Villette Anderson

Patent Dates:
Granted: Oct. 10, 1871

Reissue Information:
Reissued as RE4,753 (Feb. 13, 1872)

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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ntage Machinery" entry for Northwestern Parvin Steam Motor Mfg. Co.

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