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US Patent: 712,279
Speed-changing device
Patentee: William T. Emmes (exact or similar names) - Cincinnati, OH USPTO Classifications: 74/341 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine gearing industrial machines : industrial machine mechanisms : industrial machine gearing Assignees: None Manufacturer: Not known to have been produced Witnesses: William H. Schweikert Martin Brennan	Patent Dates: Applied: Jul. 10, 1902 Granted: Oct. 28, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Boyé & Emmes Machine Tool Co.
Description: Seen on a Boyé & Emmes Model C Heavy Duty Engine Lathe: "W. T. Emmes' Pat. Aug 26, 1902."

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