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US Patent: 1,968,783
Wrench
Patentee:
John R. Long - Los Angeles, CA

USPTO Classifications:
81/106, 81/134

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
Elie A. Farron - Los Angeles, CA

Manufacturer:
Unknown

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 23, 1933
Granted: Jul. 31, 1934

Patent Pictures:
TROJAN WRENCHES L.A. CAL.
USPTO pdf tiff
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Description:
The main features of the wrench are the yoke with the movable jaw, and the pawl which can slip into one of several notches in the back side of the main shank.

The Patent Office's online version of this patent is messed up so the drawing and the last pages are not retrievable.

The wrench is marked "TROJAN WRENCHES L.A. CAL. PAT. 1968783"

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