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US Patent: 416,792
Pipe Wrench
Patentee:
Joseph A. Maloney (exact or similar names) - Leavenworth, KS

USPTO Classifications:
81/91.1, 81/91.2

Tool Categories:
wrenches : pipe wrenches

Assignees:
Joseph A. Maloney - Leavenworth, KS
N. F. Acers - Leavenworth, KS
Charles C. Welborn - Kansas City, KS

Manufacturer:
Not known to have been produced

Witnesses:
Edwin L. Bradford
Wm. M. Shackbridge
Geo. W. Early
John B. Prest
Patent Dates:
Applied: Apr. 13, 1889
Granted: Dec. 10, 1889

Patent Pictures:
Joseph A. Maloney patent December 10, 1889
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Description:
Quick adjust pipe tongs; sliding the yoke of the movable jaw along the main shank adjusts the wrench.

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