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US Patent: 446,233
Back-gearing mechanism
Patentee: Benjamin G. Luther (exact or similar names) - Worcester, MA USPTO Classifications: 74/370, 82/143 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking power transmission industrial machines : industrial machine mechanisms : industrial machine gearing metalworking machines : metal lathes Assignees: None Manufacturer: Not known to have been produced Witnesses: Socrates Scholfield John S. Lynch	Patent Dates: Applied: Oct. 17, 1890 Granted: Feb. 10, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for B. G. Luther & Co.

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