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US Patent: 667,743
Wrench
Patentee:
Thomas E. Smythe (exact or similar names) - Galion, OH

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. D. Worcester
Chas E. Brock
Joseph Spittle
Patent Dates:
Applied: May 04, 1900
Granted: Feb. 12, 1901

Patent Pictures: [ 1 | 2 ]
Patent 667,743 - edited drawing
USPTO (New site tip)
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Description:
Pipe wrench with a spring-tensioned hook jaw and sliding adjustable jaw.

A known example is marked only with "Pat'd" & "1901"

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