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The ornamental design for a heat sink, as shown and described.
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FIG. 1 is a front side elevation view.
FIG. 2 is a right side elevation view.
FIG. 3 is a top plan view.
FIG. 4 is a bottom plan view; and,
FIG. 5 is a perspective view.
The rear side elevation view is omitted because it appears the same way as the front side elevation view. Likewise, the left side elevation view is omitted because it appears the same way as the right side elevation view.
The broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design.
Ogawara, Toshiki, Iijima, Masayuki, Watanabe, Michinori, Maruyama, Haruhisa
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Dec 08 2003 | WATANABE, MICHINORI | SANYO DENKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014249 | /0501 | |
| Dec 08 2003 | OGAWARA, TOSHIKI | SANYO DENKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014249 | /0501 | |
| Dec 08 2003 | IIJIMA, MASAYUKI | SANYO DENKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014249 | /0501 | |
| Dec 08 2003 | MARUYAMA, HARUHISA | SANYO DENKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014249 | /0501 | |
| Dec 23 2003 | Sanyo Denki Co., Ltd. | (assignment on the face of the patent) | / |
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