B43K 3/04

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2018/0215,191 RETRACTABLE TYPE WRITING INSTRUMENTFeb 02, 17Aug 02, 18MORRIS CORPORATION
2008/0131,189 Screw-Type Writing Instrument Having Expansion and Contraction FunctionDec 16, 05Jun 05, 08Morris Corporation