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US Patent: 1,687,369
Hydraulic broaching machine
Patentee:
Francis J. Lapointe - Ann Arbor, MI

USPTO Classifications:
101/282, 137/625.43, 91/1, 91/358R, 91/519, 92/146, 92/166

Tool Categories:
metalworking machines : broaches

Assignees:
None

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

Witnesses:
Unknown

Patent Dates:
Applied: May 13, 1919
Granted: Oct. 09, 1928

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

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