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CA Patent: CA-98,248
Pipe Wrench
Patentee:
Ebenezer Fisher (exact or similar names) - Philadelphia, PA

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. P. Ritter
M. D. Ballard
Geo. P. Montague
H. M. Sterling

Patent Dates:
Applied: Oct. 14, 1905
Granted: Mar. 27, 1906

Patent Pictures:
Canadian Patent 98,248 - edited image
CIPO Data
Espacenet patent
Report data errors or omissions to steward Stan Schulz
Description:
"Girth grip" type pipe wrench with provisions to allow for self-adjustment to conform to small variations in size or surface irregularities in the pipe / tubular form gripped." Some structural details differ from forms shown in corresponding U.S. patents 773,933 and RE12,738.

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