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The ornamental design for an air purifier, as shown and described.
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FIG. 1 is a right side perspective view of a air purifier etc. showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 20 2001 | CHEN, TUZ-FEN | SHINNYI TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011611 | /0387 | |
| Mar 13 2001 | Shinnyi Technology Co., LTD | (assignment on the face of the patent) | / | |||
| Dec 21 2004 | SHINNYI TECHNOLOGY CO , LTD | Shinn Fu Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016274 | /0924 |
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