B43K 1/12

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Showing 1 to 20 of 24 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9931884 Marker for optical mark response formsOct 15, 16Apr 03, 18Not available
9845430 Phthalocyanine formulation and uses thereofApr 25, 14Dec 19, 17LI-COR, INC.
9815317 Surgical markerNov 24, 14Nov 14, 17DALHOUSIE UNIVERSITY
9796207 Writing instrumentJun 04, 13Oct 24, 17V SPARK CO., LTD.
9470628 Marker for optical mark response formsApr 04, 14Oct 18, 16Amara Rahman Durham
9156304 Ink-delivery systemsJun 13, 13Oct 13, 15CRAYOLA, LLC, HALLMARK CARDS, INCORPORATED,
9114662 Ink-delivery systemsJul 09, 13Aug 25, 15CRAYOLA, LLC
8721212 Cosmetic penJun 13, 11May 13, 14Not available
8696228 Cosmetic markerApr 25, 11Apr 15, 14HairMarker LLC
7022200 Method of making adhesive-free bonded porous thermoplastic nibs for markers and highlighter applicationsJan 08, 03Apr 04, 06Not available
5897264 Off-center point marker tipJan 16, 97Apr 27, 99Sanford Corporation
5352051 Writing instrumentSep 16, 92Oct 04, 94PENTEL KABUSHIKI KAISHA
5306092 Marking pen with gradual-layer color effectMay 05, 93Apr 26, 94Not available
5217313 Writing instrumentApr 30, 91Jun 08, 93PENTEL KABUSHIKI KAISHA
4867814 Process and equipment for making capillary yarn from textile yarnsDec 31, 87Sep 19, 89Tecnodelta S.A.
4840509 Synthetic resin pen unitOct 15, 87Jun 20, 89THE PILOT INK CO., LTD.
4824271 Nib for writing instrumentsAug 15, 84Apr 25, 89PENTEL KABUSHIKI KAISHA
4761089 Synthetic resin pen nibNov 25, 86Aug 02, 88AUBEX CORPORATION
4723859 Nib body to form plural linesDec 04, 85Feb 09, 88Ogawa Chemical Industries, Ltd.
4386867 Multangular pen nib constructionMar 24, 81Jun 07, 83HATOYA KIGYO CO. LTD.

Showing 1 to 20 of 24 results