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US Patent: RE4,753
Improvements in Traction Engines
Patentee:
Robert Crouch Parvin (exact or similar names) - Philadelphia, PA

USPTO Classifications:
180/9.38, 305/196, 305/51

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 13, 1872

Reissue Information:
Reissue of 119,878 (Oct. 10, 1871)

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Northwestern Parvin Steam Motor Mfg. Co.

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