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The ornamental design for a double-ended box wrench, as shown and described. |
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FIG. 1 is a top plan view of a double-ended box wrench showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a left end elevational view thereof.
The other side view of the design is symmetrical to the side shown in FIG. 3.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 24 1987 | Davis S., Colvin | (assignment on the face of the patent) | / |
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