ALEXANDRIA, Va., Oct. 14 -- The United States Patent and Trademark Office (USPTO) published about the trademark 'DOUBLE-U' in its latest official gazette. The trademark application with the serial number 99628315 was filed on Feb. 2, 2026.

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Goods and Services: 11 - Air purifying apparatus; Air exchangers for cleaning and purifying air; Air purifiers; Air purification apparatus; Electric air purifiers; Filters for air purifiers.

International/US Class(es): 11

Mark Drawing Code: 4 - STANDARD CHARACTER MARK

Current Owner(s): DO-IT INDUSTRIAL COMPANY LIMITED SCIENCE AND TECHNOLOGY INDUSTRIAL PARK FLOOR 5,NO.12,PINGDONG 3RD ROAD,NANPING ZHUHAI CN China 519000 99 Limited Company

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