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US Patent: 119,878
Improvements in Traction Engines
Patentee: Robert Crouch Parvin (exact or similar names) - Philadelphia, PA USPTO Classifications: 180/9.38, 280/93.504 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine 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 (New site tip) Google Patents Report data errors or omissions to steward Joel Havens ntage Machinery" entry for Northwestern Parvin Steam Motor Mfg. Co.

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