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US Patent: 2,054
Method of Constructing Screw Wrenches
Loring Coes Screw Wrench
Patentee:
Loring Coes - Springfield, MA

USPTO Classifications:
81/171

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
L. & A.G. Coes - Worcester, MA

Witnesses:
R. H. Eddy
Ezra Lincoln, Jr.
Patent Dates:
Applied: Feb. 04, 1841
Granted: Apr. 16, 1841

Reissue Information:
Reissued as RE139 (Jun. 26, 1849)

Patent Pictures:
Loring Coes Screw Wrench, with early example marked L. and A.G. COES WORCESTER MASS
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Description:
The 1841 Loring Coes patent was the basis for monkey wrenches manufactured for the next century.

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