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US Patent: 622,707
Wrench
Patentee:
Edward Olson (exact or similar names) - Seattle, WA

USPTO Classifications:
81/111

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : alligator wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. E. Brock
T. P. Britt
Samuel Cobly
B. F. Hageman
Patent Dates:
Applied: May 21, 1898
Granted: Apr. 11, 1899

Patent Pictures:
Edward Olson patent April 11, 1899
USPTO (New site tip)
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Description:
Adjustable alligator wrench with the adjustment held by a toothed link piece attached to the movable jaw that engages rack teeth on the main shank.

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