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US Patent: 17,737
Nut Wrench
Improvements in Slide-Wrenches
Patentee:
John H. Hathaway (exact or similar names) - Millbury, MA

USPTO Classifications:
81/142

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
N. Jane Goodell
Jas. G. Arnold
Patent Dates:
Granted: Jul. 07, 1857

Patent Pictures:
John H. Hathaway Pat. July 7, 1857
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Description:
A series of small "slips" form a rack. A small sliding piece engages the rack to hold the adjustment.

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