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The ornamental design for trackball, as shown and described. |
FIG. 1 is a perspective view of a trackball showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
Loughnane, Cathal, Stephens, Brian
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 28 2000 | Logitech Europe S.A. | (assignment on the face of the patent) | / | |||
Jun 28 2000 | LOUGHNANE, CATHAL | LOGITECH EUROPE S A | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011017 | /0875 | |
Jun 28 2000 | STEPHENS, BRIAN | LOGITECH EUROPE S A | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011017 | /0875 |
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