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US Patent: 504,479
Safety driving mechanism
Patentee: Elmore W. Ross (exact or similar names) - Springfield, OH USPTO Classifications: 192/56.51, 464/39 Tool Categories: industrial machines : industrial machine mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles L. Wheaton T. W. Crane	Patent Dates: Applied: Aug. 30, 1890 Granted: Sep. 05, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for E. W. Ross & Co.
Description: Inventor Ross was deceased at the time the patent was issued.

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