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US Patent: 425,655
Screw-cutting die and stock
William E. Canedy - Downer's Grove, IL

USPTO Classifications:
408/182, 470/207, 81/175

Tool Categories:
industrial tools : taps and dies
metalworking tools : taps and dies

William H. Edwards - Downer's Grove, IL
William E. Canedy - Downer's Grove, IL

Canedy & Edwards - Downer's Grove, IL

H. H. Rose
S. E. Vermilyea

Patent Dates:
Applied: Jul. 02, 1889
Granted: Apr. 15, 1890

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Canedy-Otto Manufacturing Co.

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