B43K 1/01

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2025/0033,401 POROUS CAP FELT PENJun 24, 24Jan 30, 25Bic Violex Single Member S.A.; SOCIÉTÉ BIC;
2021/0323,342 Disposable Writing Utensil ApparatusApr 20, 21Oct 21, 21Not available
2020/0391,538 INK-BASED MARKING DEVICE HAVING A MULTI-COMPONENT NIB STRUCTUREAug 26, 20Dec 17, 20Not available
2019/0315,151 INK-BASED MARKING DEVICE HAVING A MULTI-COMPONENT NIB STRUCTUREApr 17, 19Oct 17, 19Not available
2019/0193,454 WRITING INSTRUMENTAug 24, 17Jun 27, 19Not available
2019/0070,890 DEVICE FOR DISPENSING CHEMILUMINESCENT SOLUTIONNov 06, 18Mar 07, 19Not available
2017/0087,920 DEVICE FOR DISPENSING CHEMILUMINESCENT SOLUTIONSep 23, 16Mar 30, 17IMPERIAL TOY LLC, MAGGILUME, LLC, OMNITECH INNOVATIONS CO., LTD.,
2015/0086,258 SURGICAL MARKERNov 24, 14Mar 26, 15DALHOUSIE UNIVERSITY
2014/0241,783 WRITING IMPLEMENTOct 19, 12Aug 28, 14MONTBLANC-SIMPLO GMBH
2014/0186,531 Compositions For Generating On-Demand Dry-Erase Writing Surfaces, Fluid Applicators Containing Same, And MethodsDec 31, 13Jul 03, 14SANFORD, L.P.
2009/0028,628 Direct liquid-writing instrumentJun 11, 08Jan 29, 09DAICEL POLYMER LTD., Micro Co., Ltd.,