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US Patent: 576,454
Wrench
Patentee:
John H. Jenner (exact or similar names) - Leavenworth, IN

USPTO Classifications:
81/179, 81/185.2

Tool Categories:
wrenches : alligator wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Hellyer
Jerry D. Suddarth
John D. Wilkins
Patent Dates:
Applied: Nov. 06, 1896
Granted: Feb. 02, 1897

Patent Pictures:
John H. Jenner patent February 2, 1897
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Description:
Alligator type wrench with a sliding grip on the smooth jaw face.

Ken Cope's "American Wrench Makers 1830-1930" notes an 1897 SCIENTIFIC AMERICAN notice for the patent that implies Jenner would produce the wrench.

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