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US Patent: 810,307
Tool-holder
Patentee:
Pearl H. Robinson - Shelton, CT

USPTO Classifications:
30/168, 407/109, 407/112

Tool Categories:
industrial tools : tool holders
tool holders

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

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

Witnesses:
Edward W. Kneen
George W. Conklin

Patent Dates:
Applied: May 29, 1905
Granted: Jan. 16, 1906

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for O. K. Tool Holder Co.

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