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US Patent: 28,627
Slotting Machine
Machine for Cutting Key-Seats, &c.
Patentee:
William B. Bement - Philadelphia, PA

USPTO Classifications:
142/26, 142/47, 409/197, 409/203

Tool Categories:
metalworking machines : key seating machines
metalworking machines : metal slotting machines

Assignees:
William B. Bement - Philadelphia, PA
James Dougherty - Philadelphia, PA

Manufacturer:
Bement & Dougherty - Philadelphia, PA

Witnesses:
Unknown

Patent Dates:
Granted: Jun. 05, 1860

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Bement, Miles & Co.

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