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US Patent: 1,993
Manufacture of plows
Patentee:
Elbridge G. Matthews - Worcester, MA

USPTO Classifications:
144/134.1, 144/278.1

Tool Categories:
agricultural machines : plows

Assignees:
J. C. Mason - Worcester, MA
Joel Nourse - Worcester, MA
Draper Ruggles - Worcester, MA

Manufacturer:
Ruggles, Nourse, Mason & Co. - Worcester, MA

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 23, 1841

Patent Pictures:
USPTO pdf tiff
Google Patents
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Worcester Historical Museum page on Ruggles, Nourse, Mason & Co.

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