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US Patent: 647,528
Tool Handle
Improvements in Handles for Knives and Other Tools
Patentee:
Jacob Albert Schmidt (exact or similar names) - Solingen, Rhenish Prussia Germany

USPTO Classifications:
81/490

Tool Categories:
industrial tools : tool handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Otto König
R. E. Jahn

Patent Dates:
Applied: Sep. 30, 1899
Granted: Apr. 17, 1900

Patent Pictures:
Jacob Albert Schmidt patent April 17, 1900
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Description:
A pocket-knife type structure, with a clasped swing-out handle which in latched position serves to firmly hold replaceable tool "blades" with forms like knife blade, screwdriver, awl, gimlet and corkscrew. A spring in the case provides tension for the swing-out handle and the catch.

This is an improvement on the design which received patent no. 632,792.

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