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US Patent: 503,124
Pipe Or Nut Wrench
Patentee:
William Henry Conver (exact or similar names) - Emlenton, PA

USPTO Classifications:
81/126, 81/186

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : pipe and nut combination wrenches

Assignees:
William Henry Conver - Emlenton, PA
Andrew C. Bailey - Ford City, PA
Jackson D. Bailey - Ford City, PA

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Rea
Robert Everett
W. F. Camp
Dan Hess

Patent Dates:
Applied: Dec. 08, 1892
Granted: Aug. 15, 1893

Patent Pictures:
William Henry Conver patent August 15, 1893
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Description:
The wrench features a complicated arrangement of lever, rack and pawl for gross size adjustment and final adjustment. The arrangement allows for a kind of ratchet action.

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