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US Patent: 390,516
Tool holder
Patentee:
Johannes Theodor Pedersen (exact or similar names) - Brooklyn, NY

USPTO Classifications:
81/29

Tool Categories:
industrial tools : tool holders

Assignees:
American Bit Brace Co. - Buffalo, NY

Manufacturer:
American Bit Brace Co. - Buffalo, NY

Witnesses:
William G. Mott
George T. Pinckney

Patent Dates:
Applied: Jan. 06, 1888
Granted: Oct. 02, 1888

Patent Pictures:
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Description:
This patent provides a simplified construction to that of patent 317,187.

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