ALEXANDRIA, Va., Sept. 14 -- The United States Patent and Trademark Office (USPTO) published about the trademark 'LEINUOSEN' in its latest official gazette. The trademark application with the serial number 99741521 was filed on Apr. 2, 2026.
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Goods and Services: 15 - Plugs for converting open hole flutes to closed hole flutes
International/US Class(es): 15
Mark Drawing Code: 4 - STANDARD CHARACTER MARK
Current Owner(s): DONGGUAN LEINUOSEN NETWORK TECHNOLOGY CO., LTD. RM 905, NO. 4, LANE 1, SOUTH OF CHANGSHENG, EAST ROAD, CHANG'AN TOWN DONGGUAN CN China 523000 99 Limited Company (Ltd.)
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