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US Patent: 583,217
Wrench
Patentee:
Richard S. Sample (exact or similar names) - Huntington, WV

USPTO Classifications:
81/161

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. Dieterich
Edwin L. Bradford
T. S. Wallace
R. A. Grimes
Patent Dates:
Applied: Mar. 12, 1897
Granted: May 25, 1897

Patent Pictures:
Richard S. Sample patent May 25, 1897
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Description:
Combination quick and screw adjustment for threaded shank wrenches of the type shown. The wrench jaws are not part of the patent.

The corresponding Canadian patent is no. CA-57,046 issued August 14, 1897.

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