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US Patent: 257,072
Carriage Wrench
Patentee:
Edwin Augustus Robbins (exact or similar names) - Boston, MA

USPTO Classifications:
4/695, 81/118

Tool Categories:
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Edwin A. Robbins - Boston, MA

Witnesses:
Sylvenus Walker
James T. Dorsey
W. R. Marble
Patent Dates:
Applied: Mar. 22, 1882
Granted: Apr. 25, 1882

Patent Pictures:
Edwin A.. Robbins Pat. April 25, 1882
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Description:
The third version of Robbins' "T" handle carriage axle nut wrench.

The previous patents are nos. 214,455 and 227,304. The markings on the wrenches reflect the early patents.

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