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US Patent: 2,070,807
Backlash Eliminator
Patentees: Erwin G. Roehm (exact or similar names) - Norwood, Hamilton County, OH Walter D. Archea (exact or similar names) - Norwood, Hamilton County, OH USPTO Classifications: 409/146, 409/156, 409/169, 74/440 Tool Categories: metalworking machines : milling machines metalworking machines : metalworking machine mechanisms Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Oct. 20, 1933 Granted: Feb. 16, 1937 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
Description: This patent number was seen on a Cincinnati Milling Machine Co. patent plate 4FV-101.

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