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The ornamental design for an air filtration system, as shown and described.
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FIG. 1 illustrates a view of the air filtration system showing the front, a side and the top.
FIG. 2 illustrates a view of the air filtration system showing the front.
FIG. 3 illustrates a view of the air filtration system showing the back.
FIG. 4 illustrates a view of the air filtration system showing the side, and portion of the front and back.
FIG. 5 illustrates a view of the air filtration system showing the top; and,
FIG. 6 illustrates a view of the air filtration system showing the underside.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 18 2003 | AMERICAIR CORPORATION | (assignment on the face of the patent) | / | |||
| Jun 18 2003 | WOODS, JIM | AMERICAIR CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 014207 | /0288 |
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