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The ornamental design for an air filter assembly, as shown and described.
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FIG. 1 is a top isometric view of an air filter assembly showing my new design; and,
FIG. 2 is a top view of the air filter assembly.
The bottom and edge views of the air filter assembly are free of ornamentation.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 04 2003 | 3M Innovative Properties Company | (assignment on the face of the patent) | / | |||
| Mar 04 2003 | DALZELL, GAIL M | 3M Innovative Properties Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013849 | /0468 |
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