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US Patent: 598,287
Wrench
Patentee:
Ole Evans (exact or similar names) - Kerkhoven, MN

USPTO Classifications:
7/127, 7/143, 81/171

Tool Categories:
wrenches : wrench combination tools
combination tools
woodworking tools : hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harry L. Ames
Victor J. Evans
J. F. Millard
O. B. Backlund

Patent Dates:
Applied: Apr. 16, 1897
Granted: Feb. 01, 1898

Patent Pictures:
Ole Evans patent February 1, 1898
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Description:
The patent is the configuration of the combination of wrench, hammer, screwdriver and nail claw. The screwdriver is protected by the screw-on handle, which has a spring catch to connect the handle to the wrench adjusting screw. The adjusting screw lacks a "rosette" or enlargement to give mechanical advantage to turn the screw.

The wrench received Canadian patent no. CA-62,668 on Febr. 16, 1899.

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