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US Patent: 968,047
Attachment for Milling Machines
Patentee: Carl L. Grohmann (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 409/144, 409/230 Tool Categories: metalworking machines : milling machines : milling machine accessories Assignees: Pratt & Whitney Co. - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 28, 1908 Granted: Aug. 23, 1910 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

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