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US Patent: 140,780
Screw-Cutting Machines
Patentees:
Gilbert B. Jaycox - Hartford, CT
Allen Webster - Farmington, Hartford County, CT

USPTO Classifications:
408/36, 470/167, 470/99

Tool Categories:
metalworking machines : screw machines

Assignees:
Gilbert Jaycox - Hartford, CT
William Edgar Simonds - Hartford, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 18, 1872
Granted: Jul. 15, 1873

Patent Pictures:
USPTO pdf tiff
Google Patents
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