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CA Patent: CA-41,581
Wrench
Patentee:
Alfred Boehmer - St. Louis, MO

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alfred A. Eiche
Herbert S. Robinson

Patent Dates:
Applied: Oct. 20, 1892
Granted: Jan. 14, 1893

Patent Pictures:
Alfred Boehmer patent January 14, 1893 edited from CANADIAN PATENT OFFICE RECORD
CIPO Data
Report data errors or omissions
Canadian patent no. 41,581 in FLICKR.
41,581 in Canadian Patents Database
Description:
Combination quick and screw adjust nut wrench; the lever portion of the handle holds the adjustment. A stop pin on the shank of the movable jaw limits the distance the jaws can separate.

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