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CA Patent: CA-31,132
Pipe Wrench
Patentees:
James Boland (exact or similar names) - Jackson, MI
Jacob West (exact or similar names) - Jackson, MI

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Wm Harvey Potts
E. G. Clarkson
Patent Dates:
Applied: Dec. 28, 1888
Granted: Apr. 13, 1889

Patent Pictures:
James Boland and Jacob West pat. Apr. 13, 1889 - edited from Canadian Patent Office Record
CIPO Data
Report data errors or omissions to steward Stan Schulz
31,132 in Canadian Patents Database
Description:
The wrench combines a screw-adjustable hook jaw and a rotating gripping wheel on the "fixed" jaw.

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