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US Patent: 2,507,581
Safety Device for Broaching Machines
Patentees: Milton V. Waters (exact or similar names) - Silverton, Hamilton County, OH William P. McDonald (exact or similar names) - Cincinnati, Hamilton County, OH Harold P. Baecker (exact or similar names) - Milford, Hamilton County, OH USPTO Classifications: 269/32, 269/94, 409/246, 409/254, 91/527 Tool Categories: metalworking machines : broaching machines metalworking machines : metalworking machine mechanisms Assignees: Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 26, 1945 Granted: May 16, 1950 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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