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US Patent: 677,350
Tool-holder
Patentee:
Charles W. Grant - Derby, CT

USPTO Classifications:
407/98

Tool Categories:
industrial tools : tool holders
tool holders

Assignees:
Frank James Nevins - Brooklyn, NY

Manufacturer:
O. K. Tool Holder Co. - Shelton, CT

Witnesses:
W. H. Knight
George W. Conklin

Patent Dates:
Applied: Dec. 20, 1900
Granted: Jul. 02, 1901

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for O. K. Tool Holder Co.
Description:
This tool holder was subsequently improved in patent 802,206. Both patents were used by O. K. Tool Holder Co.

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