| Patents for B43K 5 - Pens with ink reservoirs in holders, e.g. fountain-pens (4,639) |
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| 06/13/1990 | CN2058141U Drawing pen used in drawing machine |
| 06/13/1990 | CN2058140U Pen and its special ink bottle |
| 06/13/1990 | CN1042869A Multi color fountain pen |
| 06/13/1990 | CN1008340B Soft fountain pen |
| 05/30/1990 | CN2057617U General ball pen |
| 05/30/1990 | CN2057616U 钢笔 Pen |
| 05/29/1990 | US4929109 Ink cartridge |
| 05/23/1990 | CN1042329A Double-purpose (red and blue) pen |
| 05/16/1990 | EP0367874A1 Adhesive applicator |
| 05/16/1990 | CN2057145U Convenient pen and ink bottle |
| 05/09/1990 | CN1041915A Massage pressing and observing safety device |
| 05/08/1990 | US4923318 Ink feed for a fountain pen |
| 05/03/1990 | WO1990004340A1 A dispenser for fluid substances |
| 04/11/1990 | EP0362973A2 Disposable writing implement |
| 04/04/1990 | CN2055446U Glass ink-absorbing pen |
| 04/03/1990 | US4913175 Liquid-applying tip assembly |
| 04/03/1990 | CA1267381A1 Liquid applicator |
| 03/15/1990 | DE3830870A1 Writing, drawing or painting implement |
| 03/14/1990 | CN2054400U Nib-changeable pen |
| 03/07/1990 | CN2053982U Large-character pen |
| 03/07/1990 | CN2053981U Inverse suction type pen |
| 02/28/1990 | EP0355902A2 Plotter pen ink level detector |
| 02/28/1990 | CN1039997A Dual purpose pen with controllable ink |
| 02/22/1990 | WO1990001423A1 Temporary ink reservoir and writing instrument using same |
| 02/21/1990 | CN2053145U 组合钢笔 Combination pen |
| 02/21/1990 | CN1039762A Integrated column nib pen |
| 02/20/1990 | US4902155 Liquid dispenser |
| 02/20/1990 | US4902151 Writing instrument with plural elements |
| 02/14/1990 | CN2052720U Fountain pen with evened ink |
| 02/14/1990 | CN1039556A Pencil and ink suitable for children |
| 02/07/1990 | CN2052348U Multifunctional fountain pen |
| 01/31/1990 | CN2051893U Inking fountain pen |
| 01/25/1990 | DE3921822A1 Painting or writing instrument |
| 01/24/1990 | CN2051562U Fountain-pen with exchangeable ink storage tube |
| 01/24/1990 | CN2051561U Fountain-pen with hard ink reservoirs |
| 01/24/1990 | CN2051560U Coloured ink type printing pen for pocket electronic computer |
| 01/24/1990 | CN1038974A Top-injected fountain pen |
| 01/17/1990 | EP0351182A2 Ink occlusion material for writing utensils |
| 01/11/1990 | WO1990000118A1 Painting or writing implement |
| 01/11/1990 | DE3822985A1 Ventilating device for an ink reservoir of a writing instrument, containing free ink |
| 01/04/1990 | DE3822456A1 Device for applying free-flowing substances |
| 01/03/1990 | CN2050380U Pearl fountain pen |
| 12/27/1989 | CN2050006U Fountain pen |
| 12/20/1989 | CN2049599U Writing pen for zang nationality characters |
| 12/14/1989 | DE3815882C1 Tubular writing instrument |
| 11/14/1989 | US4881088 Plotter pen ink level detector |
| 10/18/1989 | CN2046079U Dual purpose writing/correcting pen |
| 10/11/1989 | CN1036170A Device for storing and dispensing liquid |
| 09/27/1989 | CN1035797A Duplicating pen and its use |
| 08/23/1989 | CN2043180U Stoppage prevention fountain pen |
| 08/22/1989 | US4859103 Self-sealing retractable writing implement |
| 08/16/1989 | CN2042794U Picture printing pen |
| 08/15/1989 | US4856925 Device for fixing applicator onto coating instrument |
| 08/10/1989 | WO1989007053A1 Appliance for storing and applying a liquid |
| 08/09/1989 | EP0326716A1 Drawing implement comprising a writing nib whose front part determines the width of the drawn line |
| 07/26/1989 | CN1034167A End-refilling type fountain pen |
| 07/05/1989 | EP0322700A1 Writing means |
| 06/14/1989 | CN2039265U 滚轮笔 Roller Pen |
| 05/31/1989 | CN2038450U Fountain pen for writing mongolia penmanship |
| 05/31/1989 | CN2038449U Inked pen with hollow pen tongue |
| 05/30/1989 | US4833751 Fixing member for retaining liquid-application member of liquid applicator such as writing instrument, cosmetic instrument and the like |
| 05/24/1989 | CN2038054U Large capacity multifunctional double head fountain-pen |
| 05/17/1989 | EP0316007A2 A valve operating mechanism |
| 05/10/1989 | EP0314960A1 Holder for an instrument, in particular for a pen |
| 05/10/1989 | EP0314893A1 Ink lead for a fountain pen |
| 05/10/1989 | CN2037314U Big capacity back absorbing fountain pen |
| 05/10/1989 | CN2037313U Non-capsule fountain pen and ink bottle with ink display |
| 05/10/1989 | CN2037312U Pen with cleaning nib function |
| 05/03/1989 | DE3835753A1 Vorrichtung zum aufbringen von fluessigkeit Apparatus for applying liquid |
| 05/03/1989 | CN2036897U Border pen for drawing machine |
| 04/26/1989 | EP0222844B1 Recording unit |
| 04/18/1989 | CA1252756A1 Writing pen |
| 04/05/1989 | CN2035316U Pen with ink reservoir |
| 04/05/1989 | CN2035315U Marking pen with golden and silcery colour |
| 04/05/1989 | CN2035314U Pen for writing tujue (turk) characters |
| 03/29/1989 | CN2034908U Chinese-ink absorbing writing brush |
| 03/28/1989 | US4815880 Card type writing instrument |
| 03/22/1989 | CN2034523U Fountain-pen with ink reservoir and clear water exchangeable ink cartridge |
| 03/22/1989 | CN1031815A Soft fountain pen |
| 03/21/1989 | US4813463 Instantly applicable correction fluid container structure |
| 03/14/1989 | US4812071 Correction fluid pen |
| 03/08/1989 | CN2033747U Pen with combined dual nibs |
| 02/16/1989 | DE3826691A1 Fluessigkeitsauftragevorrichtung, beispielsweise in form eines schreibinstrumentes Fluessigkeitsauftragevorrichtung, for example in the form of a written instrument will |
| 02/08/1989 | CN2032140U Duplicating pen |
| 02/08/1989 | CN2032139U Drawing-pen |
| 02/01/1989 | CN2031759U Fountain pen with capability of feeding ink simply |
| 02/01/1989 | CN2031758U Fountain pen with two nibs |
| 02/01/1989 | CN2031757U Chuck pen with liquid ink core |
| 02/01/1989 | CN2031756U Sloped tip writing brush |
| 01/25/1989 | CN2031351U Pressure ink filling pen and filling device there of |
| 01/18/1989 | EP0299804A1 Pen |
| 01/05/1989 | DE3821395A1 Fluessigkeitsaufbringvorrichtung oder schreibinstrument Fluid-write or instrument |
| 01/04/1989 | CN2030146U Multifunctional needle tube drawing pen |
| 01/04/1989 | CN1030048A Multi-purpose pen |
| 12/28/1988 | EP0296607A1 Multifunctional pen |
| 12/20/1988 | US4792252 Liquid applicator device |
| 12/14/1988 | EP0295179A1 Writing instrument with a detachable writing block |
| 12/14/1988 | CN87101047A Press-type fountain pen |
| 12/08/1988 | DE3805201C1 Writing instrument |
| 12/06/1988 | US4789261 Liquid aerosol applicator with sponge buffer to brush |