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US Patent: 442,827
Screw-cutting die
Patentee:
Charles P. Russell - Greenfield, MA

USPTO Classifications:
408/183

Tool Categories:
industrial tools : taps and dies

Assignees:
Wiley & Russell Manufacturing Co. - Greenfield, MA

Manufacturer:
Wiley & Russell Manufacturing Co. - Greenfield, MA

Witnesses:
William S. Allen
William S. Williams

Patent Dates:
Applied: Feb. 26, 1890
Granted: Dec. 16, 1890

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Wiley & Russell Manufacturing Co.

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