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US Patent: 149,559
Adjustable Pipe-Wrenches
Patentee:
Henry E. Acker (exact or similar names) - Bridgeport, CT

USPTO Classifications:
81/118

Tool Categories:
wrenches : pipe wrenches
wrenches : alligator wrenches

Assignees:
Henry E. Acker - Bridgeport, CT
Lester J. Bradley - Bridgeport, CT

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Shumway
A. J. Tibbets
E. B. Peck
F. P. Norman
Patent Dates:
Applied: May 13, 1873
Granted: Apr. 14, 1874

Patent Pictures:
Henry E. Acker Pat. April 14, 1874
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Description:
An adjustable alligator-type pipe wrench. The adjusting screw is peened at the end so it will extend and retract the movable jaw segment.

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