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US Patent: 105,336
Nut-Wrench
Patentee:
James J. Hull (exact or similar names) - Brooklyn, NY

USPTO Classifications:
81/163, 81/77

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Boyd Eliot
Sam. G. Hall
James Watson
Patent Dates:
Granted: Jul. 12, 1870

Patent Pictures:
James J. Hull Pat. July 12, 1870
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Report data errors or omissions to steward Stan Schulz
Description:
A central adjusting ring works on right- and left-threaded segments of opposing jaw halves in this adjustable double open-end wrench.

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