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The ornamental design for office chair, as shown and described.
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The darker broken lines shown on the backrest and seat represent stitching, other lighter broken lines in the drawing illustrate portions of the office chair that form no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 18 2018 | Ningbo Meiying Electronic Technology Co., Ltd. | (assignment on the face of the patent) | ||||
Apr 15 2019 | SHEN, YINUO | NINGBO MEIYING ELECTRONIC TECHNOLOGY CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 049234 | 0197 | |
Sep 24 2021 | NINGBO MEIYING ELECTRONIC TECHNOLOGY CO , LTD | NINGBO MEIYING HOUSEHOLD GROUP CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 057647 | 0777 |
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