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The ornamental design for a portable aquarium filter, as shown and described.
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The broken lines and unshaded areas within openings in the article depict portions of the portable aquarium filter that form no part of the claimed design. The broken lines surrounding the detail area within
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 03 2021 | Shenzhen Mago Trading Co., Ltd | (assignment on the face of the patent) | / | |||
Nov 17 2021 | LI, HUIQIANG | SHENZHEN MAGO TRADING CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 058273 | /0929 |
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