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US Patent: 439,336
Combination Tool
Patentee:
George Zitlow (exact or similar names) - Tacoma, WA

USPTO Classifications:
16/110.1, 16/900, 43/23, 7/138, 7/143, 81/177.1, 81/177.9, 81/437

Tool Categories:
combination tools
wrenches : wrench combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James F. Duhamel
R. S. Ferguson
Fred F. Lacey
Jas. M. Harris

Patent Dates:
Applied: Apr. 12, 1890
Granted: Oct. 28, 1890

Patent Pictures:
George Zitlow patent October 28, 1890
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Description:
The combination is hammer, nail claw, screw-driver, pipe wrench, and nut wrench. Part of the handle is hinged, with stops to enable it to fold at 90 degrees. In that form it would function as a crank wrench.

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