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The ornamental design for heat sink, as shown and described. |
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FIG. 1 is a perspective view of the heat sink embodying the new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevational view thereof; and,
FIG. 5 is a right side elevational view thereof, the left side being a mirror image thereof.
The bottom of the heat sink forms no part of the claimed design. The broken line showing of supports in FIGS. 3-5 is for illustrative purposes only and forms no part of the claimed design.
Mays, J. Carroll, Maack, Timothy R., Serpell-Morris, David, Wake, Bob Duane
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 01 1998 | Rockford Corporation | (assignment on the face of the patent) | / | |||
| Jun 28 2001 | Rockford Corporation | BANK OF AMERICA, N A , AS COLLATERAL AGENT | NOTICE OF GRANT OF SECURITY INTEREST | 012463 | /0470 | |
| Mar 29 2004 | ROCKFORD CORPORATION, AN ARIZONA CORPORATION | CONGRESS FINANCIAL CORPORATION WESTERN AS AGENT | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015223 | /0663 | |
| Mar 30 2004 | BANK OF AMERICA, N A , AS COLLATERAL AGENT | Rockford Corporation | TERMINATION OF SECURITY INTEREST IN PATENTS | 015223 | /0696 | |
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| Sep 29 2021 | WELLS FARGO BANK, N A | Rockford Corporation | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 060135 | /0805 |
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