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US Patent: 301,165
Apparatus for Cutting Screws
Patentees:
William A. Rogers (exact or similar names) - Cambridge, Middlesex County, MA
George F. Ballou (exact or similar names) - Waltham, Middlesex County, MA

USPTO Classifications:
470/80, 82/110, 82/152

Tool Categories:
metalworking machines : metal threading machines
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Ballou Mfg. Co. - Hartford, Hartford County, CT

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 24, 1883
Granted: Jul. 01, 1884

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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"Vintage Machinery" entry for Ballou Mfg. Co.

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