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US Patent: 1,250,869
Slotting Cutter
Patentees: Robert T. Hazelton (exact or similar names) - Cincinnati, Hamilton County, OH William H. Vockell (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 144/230, 144/85, 407/45, 407/49, 407/61 Tool Categories: metalworking machines : milling machines : milling machine cutters Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 22, 1915 Granted: Dec. 18, 1917 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.

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