sealvo.com · USPTO Trademark Record
https://sealvo.com/knowonk-90778776
Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.
KNOWONK (Serial No. 90778776), Registration No. 6779146, is a registered US trademark filed on Jun 17, 2021 by LIN, XIUQING. This trademark covers Class 016 (Paper goods, books & stationery).
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