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US Patent: 291,961
Carriage Wrench
Patentee:
David True (exact or similar names) - Salisbury, VT

USPTO Classifications:
81/124.1, 81/124.7, 81/125

Tool Categories:
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edward H. Rowell
James F. Hunter
B. W. Williams
Irving H. Baker

Patent Dates:
Applied: Jul. 18, 1883
Granted: Jan. 15, 1884

Patent Pictures:
David True Pat. January 15, 1884
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Description:
This improvement on True's January 30, 1883 patent (no. 271,549) adds a spring to the plunger, and the "T" handles can rotate relative to the central handle. True's patents 292,186 and 305,767 represent additional developments on this wrench.

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