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US Patent: 797,489
Wrench
Patentee:
Edward L. Bellman (exact or similar names) - Fort Atkinson, WI

USPTO Classifications:
81/152, 81/354, 81/427

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles B. Rogers
Edward N. Sarton
C. S. Middleton

Patent Dates:
Applied: May 05, 1905
Granted: Aug. 15, 1905

Patent Pictures:
Edward L. Bellman patent August 15, 1905
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Description:
The hinged handles and spring will open the jaws when they are not under pressure. Squeezing the handles will close the jaws, and any turning motion will bind the jaws against the connecting pin.

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