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The ornamental design for a drilling machine, substantially as shown. |
FIG. 1 is a front elevational view of a drilling machine showing our new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a side elevational view taken from the left side of FIG. 1;
FIG. 4 is a side elevational view taken from the right side of FIG. 1;
FIG. 5 is a top plan view;
FIG. 6 is a bottom plan view;
FIG. 7 is a perspective view thereof.
Hirose, Noboru, Mori, Yoshinari
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 24 1980 | Brother Industries, Ltd. | (assignment on the face of the patent) |
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