Patent
   D437536
Priority
Feb 08 1999
Filed
Feb 08 1999
Issued
Feb 13 2001
Expiry
Feb 13 2015
Assg.orig
Entity
unknown
12
6
n/a
The ornamental design for a unidirectional, high torque open end wrench head, as shown and described.

FIG. 1 is a front elevational view of a unidirectional, high torque open end wrench head showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The rear of the unidirectional, high torque open end wrench head forms no part of the claimed design.

Macor, Richard J.

Patent Priority Assignee Title
8640573, Sep 03 2010 STRYKER EUROPEAN HOLDINGS III, LLC Ratchet wrench
D528383, Jan 18 2005 Box and open end SAE and metric wrench
D554454, Mar 21 2006 Double head wrench
D624796, Sep 24 2009 Wrench
D665640, Oct 01 2009 Wrench
D703505, Mar 01 2012 WERA-WERK HERMANN WERNER GMBH & CO KG Wrench
D743763, Jun 24 2014 KABO TOOL COMPANY Open-ended wrench head
D859108, Jun 19 2018 YUE JEI INDUSTRIAL CO., LTD. Wrench
D967682, Feb 27 2020 Wera Werkzeuge GmbH Wrench
ER6329,
ER6349,
ER9755,
Patent Priority Assignee Title
2652735,
3762244,
5148726, Oct 16 1989 Snap-On Incorporated One-piece, open-end wrenching head with roughened jaws
5323672, Nov 25 1992 Locking assembly for maintaining a box wrench engaged with a bolthead
5381710, Feb 15 1991 DAVID BAKER, INC Wrench with inclined drive faces
D412819, Sep 25 1998 PROPRIETARY TECHNOLOGIES, INC Open end wrench head
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 08 1999Proprietary Technologies, Inc.(assignment on the face of the patent)
Oct 13 2000MACOR, RICHARD J PROPRIETARY TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0111880663 pdf
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