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The ornamental design for a track ball remote control unit, as shown and described. |
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FIG. 1 is a top, front and left side perspective view of a track ball remote control unit showing my new design;
FIG. 2 is an enlarged top plan view thereof;
FIG. 3 is an enlarged right side elevational view thereof;
FIG. 4 is an enlarged front elevational view thereof;
FIG. 5 is an enlarged bottom plan view thereof;
FIG. 6 is an enlarged left side elevation view thereof; and,
FIG. 7 is a slightly enlarged bottom perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 24 1995 | ALTHANS, RICHARD K | Zenith Electronics Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008075 | /0689 | |
| Apr 25 1995 | Zenith Electronics Corporation | (assignment on the face of the patent) | / |
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