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US Patent: 337,986
Wrench
Patentee:
Edwin C. Palmer (exact or similar names) - Cleveland, OH

USPTO Classifications:
81/165, 81/177.7

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. Engel
Jno. G. Hall
T. B. Hall
J. G. Hall, Jr.
Patent Dates:
Applied: Jun. 25, 1885
Granted: Mar. 16, 1886

Patent Pictures:
Edwin C. Palmer patent March 16, 1886
USPTO (New site tip)
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Description:
A screw-adjust jaw, and a pivot joint at the base of the head so the handle can be set at an angle.

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