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US Patent: 97,351
Improved bolt-heading machine
Patentee:
Orrin Clark Burdict - Providence, RI

USPTO Classifications:
470/147

Tool Categories:
specialty machines : nut or bolt making machines
metalworking machines : forging machines

Assignees:
None

Manufacturer:
Providence Steam Engine Co. - Providence, RI
Plumb, Burdict & Barnard - Buffalo, NY

Witnesses:
J. H. Shumway
A. J. Tibbits

Patent Dates:
Granted: Nov. 30, 1869

Patent Pictures:
USPTO pdf tiff
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