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US Patent: 423,592
Wrench
Patentee:
Eli H.G. Brinser (exact or similar names) - Elizabethtown, PA

USPTO Classifications:
74/142, 81/58.5

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Eli H. G. Brinser - Elizabethtown, PA
John L. Gingrich - Bainbridge, PA

Manufacturer:
Not known to have been produced

Witnesses:
Danl. H. Herr
Ella L. Gerhart
Jacob Halbach
Wm. R. Gerhart
Patent Dates:
Applied: Oct. 03, 1889
Granted: Mar. 18, 1890

Patent Pictures:
Eli H. G. Brinser patent March 18, 1890
USPTO (New site tip)
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Description:
The specifications use the term "alligator wrench," but the action is a friction and cam "ratchet."

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