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US Patent: 1,130,398
Screw-threading mechanism
Patentee: George Otis Gridley (exact or similar names) - Windsor, VT USPTO Classifications: 470/181, 470/66 Tool Categories: metalworking machines : screw machines Assignees: None Manufacturer: Windsor Machine Co. - Windsor, VT Witnesses: P. W. Pezzetti Arthur H. Brown	Patent Dates: Applied: Jul. 14, 1909 Granted: Mar. 02, 1915 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to patent 904,866.

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