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US Patent: 1,463,473
Broaching tool
Patentee: Francis J. Lapointe (exact or similar names) - Ann Arbor, MI USPTO Classifications: 407/1, 407/18 Tool Categories: metalworking machines : broaching machines : broaches Assignees: None Manufacturer: American Broach & Machine Co. - Ann Arbor, MI Witnesses: David A. De Long Roscoe O. Bonisteel	Patent Dates: Applied: Dec. 02, 1921 Granted: Jul. 31, 1923 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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