B43K 5/10

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2019/0283,485 A LIQUID INK WRITING INSTRUMENTJan 09, 18Sep 19, 19QINGDAO CHANGLONG STATIONERY CO., LTD.
2009/0113,640 LIQUID DYE FORMULATIONS IN NON-PETROLEUM BASED SOLVENT SYSTEMSNov 05, 07May 07, 09Sunbelt Corporation
2008/0286,031 Device for Dispensing Doses of Fluid Substances of Variable Viscosity and DensityOct 30, 06Nov 20, 08Not available