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CA Patent: CA-4,606
Improvements on Wrenches
Patentee:
William Ascough (exact or similar names) - Buffalo, NY

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Apr. 09, 1875

Patent Pictures:
William Ascough patent April 9, 1875 edited from CANADIAN PATENT OFFICE RECORD
CIPO Data
Report data errors or omissions to steward Stan Schulz
4,606 in Canadian Patents Database
Description:
Quick adjustment with a spring on the movable jaw holding a pawl in contact with rack teeth on the main shank.

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