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The ornamental design for a dental control unit, as shown and described. |
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FIG. 1 is a top perspective view of a dental control unit showing 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 top plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a rear elevational view thereof.
Austin, Jr., George K., Lietz, Larry D., Nordstrom, Carl, Reed, Raymond G.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 16 1990 | NORDSTROM, CARL | A-DEC, INC , A CORP OF OR | ASSIGNMENT OF ASSIGNORS INTEREST | 005574 | /0073 | |
| Nov 16 1990 | LIETZ, LARRY D | A-DEC, INC , A CORP OF OR | ASSIGNMENT OF ASSIGNORS INTEREST | 005574 | /0073 | |
| Nov 20 1990 | AUSTIN, GEORGE K JR | A-DEC, INC , A CORP OF OR | ASSIGNMENT OF ASSIGNORS INTEREST | 005574 | /0073 | |
| Nov 27 1990 | A-Dec, Inc. | (assignment on the face of the patent) | / | |||
| Apr 24 1991 | REED, RAYMOND G | A-DEC, INC , 2601 CRESTVIEW DRIVE, NEWBERG, OR 97132, A CORP OF OR | ASSIGNMENT OF ASSIGNORS INTEREST | 005678 | /0830 |
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