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The ornamental design for a portable air purifier housing, as shown and described.
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FIG. 1 is a perspective top and right front view of my new design for an air purifier housing for mounting on a stand;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a back elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.
The broken line showing in FIG. 1 for illustrative purposes only and forms no part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 19 2004 | NORMARK, JAMES | ECOQUEST INTERNATIONAL, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 022331 | /0245 | |
| Mar 28 2009 | ECOQUEST INTERNATIONAL, INC | DBG Group Investments, LLC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 022689 | /0486 |
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