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The ornamental design for a drill shaft head, substantially as shown and described. |
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FIG. 1 is a perspective view of a drill shaft head, showing our new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being identical thereto;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof.
Kilman, III, John N., Myers, Phillip L.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 01 1981 | KILMAN, JOHN N III | BRAINARD-KILMAN DRILL COMPANY, A CORP OF GA | ASSIGNMENT OF ASSIGNORS INTEREST | 003957 | /0470 | |
| Dec 01 1981 | MYERS, PHILLIP L | BRAINARD-KILMAN DRILL COMPANY, A CORP OF GA | ASSIGNMENT OF ASSIGNORS INTEREST | 003957 | /0470 | |
| Dec 09 1981 | Brainard-Kilman Drill Company | (assignment on the face of the patent) | / |
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