B43K 1/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9421813 Stylographic pen with precious materialMar 22, 13Aug 23, 16DELTA SRL
9233573 Conical nib and writing instrument using the sameDec 13, 12Jan 12, 16Not available
9199507 Writing instrument and ink cartridge unitMay 20, 11Dec 01, 15Europe Brands S.A.R.L., EUROPE BRANDS S.À R.L,
8915665 Writing utensilDec 08, 11Dec 23, 14MEGARA, GABRIEL
8801314 Conical NIB and writing instrument using the sameSep 01, 11Aug 12, 14YAMANAKA, KAZUE
6247866 Feeding ducts for writing liquids in fountain pen nibs, and a method of producing sameFeb 22, 95Jun 19, 01Not available
5957610 PenpointDec 04, 96Sep 28, 99Not available
5727893 Fluid dispensing NIB, and delivery systemApr 21, 95Mar 17, 98CRAYOLA, LLC
5290117 Penpoint assembly and writing instrument employing the sameAug 07, 91Mar 01, 94THE PILOT INK CO., LTD.
5161906 Writing instrumentSep 03, 91Nov 10, 92C. Josef Lamy GmbH
4474487 Pen point with lips extending over slitMar 26, 82Oct 02, 84S.T. DUPONT, S. T. DUPONT, 33 AVENUE DU MAINE, TOUR MAINE-MONTPARNASSE, 75755 PARIS CEDEX 15, FRANCE, A CORP OF FRANCE,
4347011 Fountain pen equipped with a resiliency adjustment deviceNov 09, 79Aug 31, 82Pilot Man-Nen-Hitsu Kabushiki Kaisha