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US Patent: 1,440,555
Differential for Motor Vehicles
Patentee: James Ross (exact or similar names) - La Porte, Laporte County, IN USPTO Classifications: 475/230 Tool Categories: propulsion and energy : steam apparatus : steam traction engines : traction engine propulsion components transportation : motor vehicles : motor vehicle gearing Assignees: Advance-Rumely Co. - La Porte, Laporte County, IN Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 16, 1922 Granted: Jan. 02, 1923 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Advance-Rumely Co.

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