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CA Patent: CA-25,400
Wrench
Patentees:
Frederich Kruegermann (exact or similar names) - Scranton, PA
Thomas P. Hoban (exact or similar names) - Scranton, PA

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Art. Charbonneau

Patent Dates:
Applied: Aug. 30, 1886
Granted: Nov. 22, 1886

Patent Pictures:
Frederich Kruegermann patent November 22, 1886 - edited from Canadian Patent Office Record
CIPO Data
Report data errors or omissions to steward Stan Schulz
25,400 in Canadian Patents Database
Description:
An internal link connects the swinging handle to the sliding movable jaw.

The specifications note awareness of British patent 2,176 of 1862. Corresponding U.S. patent 338,419 was granted March 23, 1886.

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