B43K 5/03

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2023/0311,557 REFILLABLE FREE INK WRITING INSTRUMENT, KIT COMPRISING SUCH A WRITING INSTRUMENT, AND METHOD THEREOFAug 30, 21Oct 05, 23SOCIÉTÉ BIC
2023/0242,780 HANDHELD WRITING TOOL HAVING IMPROVED CAP-OFF TIMEJun 28, 21Aug 03, 23SOCIÉTÉ BIC
2019/0001,736 WRITING APPARATUS AND A METHOD OF DISPENSING WRITING FLUID ON A WRITING SURFACEAug 11, 17Jan 03, 19Wipro Limited