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CA Patent: CA-36,549
Wrench
Patentee:
Truman D. Keith - South Pasadena, CA

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Keith Mfg. Co. - Aurora, IL

Witnesses:
J. H. Siggers

Patent Dates:
Granted: May 05, 1891

Patent Pictures:
Truman D. Keith patent May 5, 1891 - edited from ESPACENET
CIPO Data
Report data errors or omissions
CA-36,549 in ESPACENET
36,549 in Canadian Patents Database
Description:
Combination quick and self-adjust pipe wrench corresponding to U.S. patent 447,952 granted March 10, 1891 and British patent GB-189107938 registered May 8, 1891.

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