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The ornamental design for a drilling machine, as shown and described. |
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FIG. 1 is a front-left-top perspective view of a drilling machine, showing my new design;
FIG. 2 is a front plan view thereof;
FIG. 3 is a rear plan view thereof;
FIG. 4 is a left side plan view thereof;
FIG. 5 is a right side plan view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Chen, Ruey-Zon, Dietl, Matthias A.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 28 1998 | CHEN, RUEY-ZON | CHEN, RUEY-ZON | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009241 | /0628 | |
| May 28 1998 | DIETL, MATTHIAS A | CHEN, RUEY-ZON | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009241 | /0628 | |
| Jun 08 1998 | Ruey-Zon, Chen | (assignment on the face of the patent) | / |
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