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US Patent: 1,724,669
Adjustable finishing end for broaches
Patentee:
Francis J. Lapointe - Ann Arbor, MI

USPTO Classifications:
407/16, 408/156

Tool Categories:
metalworking machines : broaches

Assignees:
None

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

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 16, 1927
Granted: Aug. 13, 1929

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

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