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US Patent: 1,783,541
Tool Holder
Patentees: William J. Hogg (exact or similar names) - Cleveland, Cuyahoga County, OH Frederick Neumann (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 279/77, 279/83 Tool Categories: metalworking machines : drilling and boring : drilling and boring tool holders Assignees: National Acme Mfg. Co. - Cleveland, Cuyahoga County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 28, 1928 Granted: Dec. 02, 1930 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for National Acme Co.

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