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The ornamental design for a well drilling vehicle, as shown and described. |
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FIG. 1 is a top plan view of the well drilling vehicle of our new design.
FIG. 2 is a right side elevational view thereof.
FIG. 3 is a left side elevational view thereof.
FIG. 4 is a front elevational view thereof.
FIG. 5 is a rear elevational view thereof.
The platform connected to the vertical mast of the well drilling vehicle is in a partially lowered position in FIGS. 2 and 3 and a fully raised position in FIGS. 4 and 5.
Swartz, Richard H., Pearce, Richard J., Bowe, James M.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 02 1975 | Driltech, Inc. | (assignment on the face of the patent) | / |
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