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US Patent: 1,339,657
Finishing-broach
Patentee:
Francis J. Lapointe - Ann Arbor, MI

USPTO Classifications:
407/18

Tool Categories:
metalworking machines : broaches

Assignees:
None

Manufacturer:
American Broach & Machine Co. - Ann Arbor, MI

Witnesses:
Nathan C. Lombard
Walter E. Lombard

Patent Dates:
Applied: Jun. 26, 1919
Granted: May 11, 1920

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for American Broach & Machine Co.

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