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CA Patent: CA-9,267
Machine for tapping nuts
Patentee:
Samuel L. Worsley - Taunton, MA

USPTO Classifications:

Tool Categories:
specialty machines : nut or bolt making machines
metalworking machines : drilling and boring : tapping machines

Assignees:
Ralph H. Plumb - Buffalo, NY
Orrin Clark Burdict - Buffalo, NY
Albert J. Barnard - Buffalo, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Oct. 19, 1878

Patent Pictures:
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Description:
The assignees were the principals of nut and bolt maker Plumb, Burdict & Barnard, which had formerly made and sold their machines (as well as running them to make nuts and bolts) but they stopped selling their machines to focus solely on making nuts and bolts.

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