US Patent: 70,605 - Wrench for Carriages and Other Purposes


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US Patent: 70,605

Improvement in wrenches
Wrench for Carriages and Other Purposes

Patentee:

Edward Perry (exact or similar names) - Hopkinton, MA

USPTO Classifications:

Tool Categories:

Assignees:

None

Manufacturer:

Unknown

Witnesses:

Patent Dates:
Granted:	Nov. 05, 1867

Patent Pictures: [ 1 | 2 ]

Edward Perry patent Nov. 5, 1867

Description:

The jaws are adjusted by a single screw with a large center knurl, left-hand threads for one jaw, and right-hand threads for the other.