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The ornamental design for a heat sink, as shown. |
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FIG. 1 is a top view of a heat sink showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a front perspective view thereof; and,
FIG. 5 is a back perspective view thereof.
The broken-line disclosure forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Nov 25 1998 | GUERRERO, FRED | International Electronic Research Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009634 | /0643 | |
| Nov 30 1998 | I.E.R.C. (International Electronic Research Corp. | (assignment on the face of the patent) | / |
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