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The ornamental design for an air purifier, as shown and described.
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The broken lines in the drawings depict portions of the air purifier that form no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 22 2016 | Coway Co., Ltd. | (assignment on the face of the patent) | ||||
Aug 08 2016 | SEO, JIN-GYU | COWAY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039405 | 0920 | |
Aug 08 2016 | SEO, JIN-GYU | COWAY CO , LTD | CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED AT REEL: 039405 FRAME: 0920 ASSIGNOR S HEREBY CONFIRMS THE ASSIGNMENT | 039773 | 0009 |
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