Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
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
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
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.

An article in the March 2026 Missouri Valley Wrench Club Newsletter reviews the Robbins patents and shows examples of corresponding wrenches.

Copyright © 2002-2026 - DATAMP