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The ornamental design for a air purifier, as shown and described. |
FIG. 1 is a top and front perspective view of an air purifier showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is an opposite side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a rear elevational view thereof; and
FIG. 7 is a bottom plan view thereof.
Stutzer, Franz A., Grutzke, Joachim
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 05 1985 | STUTZER, FRANZ A | Rowenta-Werke, GmbH | ASSIGNMENT OF ASSIGNORS INTEREST | 004382 | /0090 | |
Mar 05 1985 | GRUTZKE, JOACHIM | Rowenta-Werke, GmbH | ASSIGNMENT OF ASSIGNORS INTEREST | 004382 | /0090 | |
Mar 11 1985 | Rowenta-Werke GmbH | (assignment on the face of the patent) | / |
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