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US Patent: 661,018
Belt shifter and tightener
Patentee: Benjamin G. Luther (exact or similar names) - Worcester, MA USPTO Classifications: 474/83 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking power transmission Assignees: None Manufacturer: B. G. Luther & Co. - Worcester, MA Witnesses: C. H. Wood C. W. Wood	Patent Dates: Applied: Oct. 30, 1899 Granted: Oct. 30, 1900 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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