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			 The ornamental design for a combination digging and trenching tool head, substantially as shown and described.  | 
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FIG. 1 is a perspective view of a combination digging and trenching tool showing my new design, the broken-line showing of the handle being for illustrative purposes only and forming no part of the claimed design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged side elevational view therof, the side opposite being a mirror image;
FIG. 4 is an enlarged end elevational view thereof;
FIG. 5 is an enlarged opposite end elevational view thereof;
FIG. 6 is an enlarged bottom plan view thereof.
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| Patent | Priority | Assignee | Title | 
| 1008873, | |||
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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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