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US Patent: 600,813
Adjustable Spanner or Wrench
Patentee:
Jozua Cornelis Hendrikus Van Duijl - Kralingsche-Veer, Netherlands

USPTO Classifications:
81/167

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Robert Everett
Bruce A. Elliott
Charles Brown
A. Van Der Linde

Patent Dates:
Applied: Apr. 05, 1897
Granted: Mar. 15, 1898

Patent Pictures:
J.C. H. Van Duijl patent March 15, 1898
USPTO pdf tiff
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Description:
The main feature of the patent and distinctive feature of the wrench is the body extension which supports the movable jaw in its extended position.

The wrench was produced in the Netherlands and/or England. It may also have had limited production or distribution in the United States. The inventor's name sometimes appears as "van Duyl" or "Duyl."

Corresponding British patent GB-189629300 was registered Dec. 21, 1896.

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