B43K 1/08

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9981499 Ballpoint penDec 09, 14May 29, 18MITSUBISHI PENCIL COMPANY, LIMITED
9889701 Writing implementApr 09, 15Feb 13, 18MITSUBISHI PENCIL COMPANY, LIMITED
9637808 Refill for a ball-point pen and use thereofMay 15, 14May 02, 17WIELAND-WERKE AG
9592702 Friction body, writing instrument and writing instrument setMay 21, 08Mar 14, 17KABUSHIKI KAISHA PILOT CORPORATION
9545813 Ball penJun 07, 13Jan 17, 17MITSUBISHI PENCIL COMPANY, LIMITED
9533528 Ballpoint penSep 04, 14Jan 03, 17MITSUBISHI PENCIL COMPANY, LIMITED
9481930 Fabrication of diamond shellsOct 20, 06Nov 01, 16LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
9375972 Writing instrumentFeb 19, 13Jun 28, 16KABUSHIKI KAISHA PILOT CORPORATION
9346313 Ballpoint pen tip and ballpoint pen using the sameDec 27, 11May 24, 16KABUSHIKI KAISHA PILOT CORPORATION
9333795 Oil-based ink composition for ball-point pen, and oil-based ball-point pen refill using the sameMar 01, 13May 10, 16KABUSHIKI KAISHA PILOT CORPORATION
9266379 Thermochromic writing instrumentNov 01, 12Feb 23, 16KABUSHIKI KAISHA PILOT CORPORATION
9233574 Thermochromic writing instrumentNov 01, 12Jan 12, 16THE PILOT INK CO., LTD., KABUSHIKI KAISHA PILOT CORPORATION,
9056518 Ballpoint pen tip, ballpoint pen refill, and ballpoint penMar 08, 11Jun 16, 15MITSUBISHI PENCIL COMPANY, LIMITED
9050850 Micro motion poppet valve assembly for delivery of ink with large pigment particles to a writing nib and writing instrument comprising sameDec 30, 11Jun 09, 15SANFORD, L.P.
9044964 Micro ballpoint pen and printing apparatusSep 06, 12Jun 02, 15ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
5980765 Method of manufacturing composite ceramics balls for ball-point pensSep 30, 97Nov 09, 99Ohto Kabushiki Kaisha
5762434 Ball point pen tip and production method thereofMar 22, 96Jun 09, 98PENTEL KABUSHIKI KAISHA
5000605 Ball point pen with tubular ball holderMar 29, 89Mar 19, 91Gebr. Schneider GmbH, GEBR. SCHNEIDER GMBH, AM SCHWARZENBACH 9, D-7741 TENNENBRONN, FED. REP. OF GERMANY, A COMPANY OF THE FED. REP. OF GERMANY,
4634306 Writing point for writing or recording instruments and process for its manufactureNov 28, 83Jan 06, 87J.S. STAEDTLER GMBH & CO. KG, Firma J. S. Staedtler, FIRMA J.S. STAEDTLER, A LIMITED PARTNERSHIP OF WEST GERMANY,
4621936 Zirconia pen ballsOct 14, 83Nov 11, 86DIDIER-WERKE A.G., A CORP. OF THE FED. REP. OF GERMANY

Showing 1 to 20 of 23 results