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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: USPTO (New site tip) Google Patents Report data errors or omissions to steward Kirk Eppler
Description: This patent provides a simplified construction to that of patent 317,187.

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