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CA Patent: CA-13,998
Improvements in Pipe Wrenches
Patentees:
Timothy  Dominick Mernan - Buffalo, NY
Allan H. G. Hardwicke - Buffalo, NY

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edw. J. Brady
Jno. J. Bonner

Patent Dates:
Applied: Nov. 25, 1881
Granted: Jan. 16, 1882

Patent Pictures:
Timothy D. Mernan patent Jan 16, 1882 - edited from Canadian Patent Office Record
CIPO Data
Report data errors or omissions
13,998 in Canadian Patents Database
Description:
Chain pipe wrench corresponding to U.S. patent 249,968 granted Nov. 22, 1881.

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