CA Patent: 126,847


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CA Patent: CA-126,847

Wrench

Patentee:

John Boulieu (exact or similar names) - Sault Ste. Marie, MI

USPTO Classifications:

Tool Categories:

wrenches : wrench adjustment types : self-adjust wrenches

wrenches : pipe wrenches

Assignees:

John Boulieu - Sault Ste. Marie, MI

James B. Ryan - Sault Ste. Marie, MI

Manufacturer:

Lake Superior Wrench Co. - Sault Ste. Marie, MI

Witnesses:

W. N. Woodson

Juana M. Fallin

Patent Dates:
Applied:	Apr. 20, 1910
Granted:	Jul. 12, 1910

Patent Pictures:

John Boulieu patent July 12, 1910

CIPO Data
Espacenet patent
Report data errors or omissions to steward Stan Schulz

Description:

Canadian patent for a self-adjusting pipe wrench with a spring which tends to close the jaws. Corresponding U.S. patent 972,052 was granted Oct. 4, 1910.

Examples of the wrench are marked with both patent dates.