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US Patent: 1,968,783
Wrench
Patentee:
John R. Long (exact or similar names) - 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:
none listed

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

Patent Pictures: [ 1 | 2 ]
Patent 1,968,783 - edited from PATENT GAZETTE
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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; the error also appears in the ESPACENET display. A portion of the drawing, and the first "claim" were printed in PATENT GAZETTE.

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

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