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The ornamental design for an open end wrench head, as shown and described. |
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FIG. 1 is a front elevational view of an 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 open end wrench head forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 25 1998 | Proprietary Technologies, Inc. | (assignment on the face of the patent) | / | |||
| Jun 18 1999 | MACOR, RICHARD J | PROPRIETARY TECHNOLOGIES, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010040 | /0138 |
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