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US Patent: 1,463,473
Broaching tool
Patentee:
Francis J. Lapointe - Ann Arbor, MI

USPTO Classifications:
407/1, 407/18

Tool Categories:
metalworking 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 pdf tiff
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"Vintage Machinery" entry for American Broach & Machine Co.

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