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US Patent: 527,181
Wrench
Patentee:
Frank W. Nelson (exact or similar names) - Chicago, IL

USPTO Classifications:
192/43.1, 81/62

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. N. Hanson
W. U. Williams
Lute J. Alter
Chas. E. Gaylord
Patent Dates:
Applied: May 01, 1894
Granted: Oct. 09, 1894

Patent Pictures:
Frank W. Nelson patent October 9, 1894
USPTO (New site tip)
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Description:
Reversible ratchet wrench with adjustable jaws. The jaw adjustment is accomplished by a worm turned by a screwdriver incorporated in the handle.

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