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US Patent: 545,016
Wrench
Patentee:
Samuel H. Hackney (exact or similar names) - Paoli, IN

USPTO Classifications:
81/136

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : pipe wrenches

Assignees:
Thomas H. Buskirk - Paoli, IN
Samuel H. Hackney - Paoli, IN

Manufacturer:
Not known to have been produced

Witnesses:
Clifford K. Berryman
D. W. Edelei
Lois H. Buskirk
Mabel L. Buskirk
Patent Dates:
Applied: Jul. 21, 1894
Granted: Aug. 20, 1895

Patent Pictures:
Samuel H. Hackney patent August 20, 1895
USPTO (New site tip)
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Description:
Rack and pawl adjust pipe wrench. The patent describes two unequal length pawls to double the potential number of size adjustments.

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