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The ornamental design for a earth digging and trenching tool head, substantially as shown and described. |
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FIG. 1 is a perspective view or a reduced scale of an earth digging and trenching tool head, showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a side view;
FIG. 4 is a rear view;
FIG. 5 is a bottom plan view; and
FIG. 6 is a front view.
The broken line representing the implement handle is shown for illustrative purposes only.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 04 1990 | ZABARTE, RON | VAUGHAN & BUSHNELL MANUFACTURING CO | ASSIGNMENT OF ASSIGNORS INTEREST | 006319 | /0015 |
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