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US Patent: 615,643
Wrench
Patentee:
Jacob F. Strahle - Burr, NE

USPTO Classifications:
81/117, 81/90.9, 81/91.1, 81/91.2

Tool Categories:
wrenches : alligator wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. H. Shafer
George L. Goetz
W. B. Ward
A. P. Young

Patent Dates:
Applied: Feb. 11, 1898
Granted: Dec. 06, 1898

Patent Pictures:
Jacob F. Strahle patent December 6, 1898
USPTO pdf tiff
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Description:
Adjustable alligator wrench. A spring-loaded lever pawl engaging one of a series of notches in one jaw member holds the adjustment.

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