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US Patent: 2,079,692
Broach shank connector
Patentee: Francis J. Lapointe (exact or similar names) - Ann Arbor, MI USPTO Classifications: 285/332.3, 285/334, 285/390, 403/334, 403/343, 403/377, 407/13, 411/426 Tool Categories: metalworking machines : broaching machines : broaches Assignees: None Manufacturer: American Broach & Machine Co. - Ann Arbor, MI Witnesses: Unknown	Patent Dates: Applied: Oct. 16, 1933 Granted: May 11, 1937 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for American Broach & Machine Co.

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