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CA Patent: CA-35,548
Wrench
Patentee:
Daniel Rupert Porter (exact or similar names) - Chelsea, MA

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. J. Brown
A. D. Harrison
Patent Dates:
Applied: Sep. 22, 1890
Granted: Dec. 02, 1890

Patent Pictures:
Daniel R. Porter patent Dec. 2, 1890 - edited from Canadian Patents Database
CIPO Data
Report data errors or omissions to steward Stan Schulz
35,548 in Canadian Patents Database
Description:
Screw-adjust pipe wrench; corresponding U.S. patent 426,956 was granted April 29, 1890.

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