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US Patent: 305,767
Carriage-Wrench
Patentee:
David True (exact or similar names) - Salisbury, MA

USPTO Classifications:
81/124.7, 81/177.5

Tool Categories:
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Hartnett
Joseph Ishbaugh
Henry W. Williams

Patent Dates:
Applied: Feb. 08, 1884
Granted: Sep. 30, 1884

Patent Pictures:
David True patent September 30, 1884
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Description:
Removable sockets for different sizes of axle nuts are held on to the lever arms by a combination of rubber ring and metallic springs. This is True's fifth patent, refining the design that had evolved through patent nos. 271,549, 279,993, 291,961, and 292,186.

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