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US Patent: 510,104
Tool For Holding Screw Hooks, etc.
Improvements in Bit-Stocks or Tools for Holding Screw-Hooks, or Like Articles
Patentee:
Joseph Uhl (exact or similar names) - Wurzburg, Germany

USPTO Classifications:
279/93, 81/125, 81/438

Tool Categories:
woodworking tools : braces : brace chucks
industrial tools : tool holders
wrenches : socket wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles E. Smith
L. M. Wachschlager
A. Heinig
K. Dippold

Patent Dates:
Applied: Jan. 13, 1893
Granted: Dec. 05, 1893

Patent Pictures:
Joseph Uhl patent Decembr 5, 1893
USPTO (New site tip)
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Description:
The patent is for a bit-stock chuck or socket with a side slot and spring presser plate, along with tools and bits designed to coordinate with that holder.

The tool had received French patent no. 222,893 on July 9, 1892.

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