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US Patent: 1,373,683
Plier Type Wrench
Patentee:
Henry M. Svebelius (exact or similar names) - Evanston, IL

USPTO Classifications:
81/329, 81/353, 81/383, 81/427

Tool Categories:
pliers
wrenches : pliers type wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. L. Farrington

Patent Dates:
Applied: May 14, 1920
Granted: Apr. 05, 1921

Patent Pictures:
Henry M. Svebelius patent April 5, 1921
USPTO (New site tip)
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Description:
Parallel jaw movement; the handle linkages provide compound leverage and a "locking grip."

A write-up in the April 1921 POPULAR MECHANICS describes the tool in terms that implies it had been produced, but no manufacturer details were supplied.

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