| Patents for B43K 7 - Ball-point pens (3,207) |
|---|
| 10/16/1991 | EP0452281A1 A ballpoint pen with a retractable writing tip |
| 10/15/1991 | US5056949 Correction fluid dispenser with ball valve |
| 10/09/1991 | CN2086205U Hard pen writing ball pen |
| 10/03/1991 | WO1991014521A1 Method of bending a ball point pen tip |
| 09/17/1991 | US5048990 Writing instrument with drying-preventing mechanism |
| 08/28/1991 | CN2083542U Finger mounted writing pen |
| 08/14/1991 | CN2082679U Ball-pen for blackboard |
| 07/31/1991 | EP0439078A1 Writing or dosing implement |
| 07/31/1991 | CN2081806U Magic colour ball pen |
| 07/17/1991 | CN1013223B Stylus or recording drawing element |
| 07/09/1991 | US5030026 Leakproof fountain pen with ballbearing tip |
| 06/20/1991 | DE4038915A1 Pen with ball point - is curved like user's fingers for ease of holding |
| 06/11/1991 | US5022773 Retractable pen with self sealing writing tip opening |
| 06/05/1991 | EP0289540B1 Writing point or tracing element |
| 05/29/1991 | CN2077796U Ball pen for hard penmanship |
| 05/07/1991 | US5013361 Ball-point writing instrument containing an aqueous ink composition |
| 05/07/1991 | US5012663 Method of bending a ball point pen tip |
| 03/21/1991 | DE4031484A1 Ball point pen with ball-holder, container and cap - has collector chambers connected to external air in outer part of ball holder |
| 03/19/1991 | US5000605 Ball point pen with tubular ball holder |
| 03/06/1991 | EP0210195B1 Ball-point writing instrument containing an aqueous ink composition |
| 02/26/1991 | US4995751 Device for applying a liquid or semi-paste substance on a surface |
| 02/20/1991 | CN2071588U Front controlled multipurpose ball-point pen |
| 02/19/1991 | US4993860 For a liquid medium |
| 01/29/1991 | US4988227 Writing means |
| 01/22/1991 | US4986682 Finger-tip |
| 12/26/1990 | CN2068051U Ball-pen |
| 12/19/1990 | EP0402558A1 Extensible body ball pen |
| 11/27/1990 | US4973180 Pen with slide plug and valve |
| 11/19/1990 | WO1990014964A1 A pen |
| 10/24/1990 | CN2064303U Ballpen with wooden rod |
| 09/27/1990 | DE3908960A1 Ballpoint pen |
| 09/05/1990 | CN2061516U High-capacity ball-point pen with a rotary cap |
| 09/04/1990 | US4954002 Writing instrument with membrane vent and their manufacture |
| 08/28/1990 | US4952090 Apparatus for dispensing a scented fluid |
| 08/28/1990 | US4952089 Writing implement |
| 08/16/1990 | EP0381818A1 Ink level inspection means for writing devices |
| 08/09/1990 | DE3903606A1 Writing and drawing appliance with air supply |
| 08/01/1990 | CN1044259A Fragrant writing pen |
| 07/12/1990 | WO1990007430A1 Apparatus for dispensing a scented fluid |
| 07/03/1990 | US4938620 Writing point or tracing element |
| 06/27/1990 | CA2006691A1 Apparatus for dispensing a scented fluid |
| 06/26/1990 | US4937594 Recording pen |
| 06/13/1990 | CN2058142U Pen used by forefiner |
| 05/09/1990 | CN1041915A Massage pressing and observing safety device |
| 03/27/1990 | US4911571 Device for preventing drying of ink in writing instrument |
| 03/06/1990 | US4906119 Handwriting stabilizer |
| 02/22/1990 | WO1990001424A1 Pen |
| 02/07/1990 | CN2052349U Bullet ball-point pen |
| 01/24/1990 | CN2051563U Handy ball-point pen |
| 01/11/1990 | DE3822985A1 Ventilating device for an ink reservoir of a writing instrument, containing free ink |
| 01/03/1990 | CN2050380U Pearl fountain pen |
| 12/26/1989 | US4889442 Writing instrument with ink quantity of level detecting function |
| 12/05/1989 | CA1263504A1 Ball-point writing instrument containing an aqueous ink composition |
| 10/25/1989 | CN2046444U Lightning ball pen |
| 10/19/1989 | WO1989009698A1 Handwriting stabilizer |
| 10/18/1989 | CN2046078U Water-absorbing type ball-point pen |
| 10/18/1989 | CN2046077U Ball-point pen with spare refills |
| 10/18/1989 | CN2046076U Linked ball type ball-point pen |
| 10/18/1989 | CN1005471B Structure of nib |
| 10/11/1989 | EP0336007A1 Ball-point pen tip comprising a metal tube |
| 10/10/1989 | US4872774 Instrument for writing and drawing |
| 09/21/1989 | WO1989008563A1 Adhesive dispensers |
| 09/13/1989 | EP0331843A1 Adhesive dispensers |
| 08/23/1989 | CN2043186U Ball pen with beverage-bottle top opener |
| 08/22/1989 | US4859103 Self-sealing retractable writing implement |
| 08/09/1989 | EP0326716A1 Drawing implement comprising a writing nib whose front part determines the width of the drawn line |
| 07/26/1989 | CN2041626U Universal long life ball-pen |
| 07/19/1989 | EP0324321A2 Instrument for writing and drawing |
| 07/05/1989 | EP0322700A1 Writing means |
| 06/27/1989 | US4842433 Pen tip structure |
| 06/15/1989 | WO1989005235A1 Ink reservoir having continuous random sliver with stretch yarn |
| 05/23/1989 | US4833697 Writing instrument for electronic counting and gravity switch reset |
| 05/17/1989 | EP0316210A1 Applicator for more or less viscous liquid |
| 05/10/1989 | EP0314960A1 Holder for an instrument, in particular for a pen |
| 05/10/1989 | CN2037315U Dual (multi) point ball-point pen refill |
| 05/03/1989 | DE3835753A1 Vorrichtung zum aufbringen von fluessigkeit Apparatus for applying liquid |
| 04/19/1989 | CN2036112U Illuminating ball-pen |
| 04/18/1989 | US4822193 Ink pen |
| 04/18/1989 | CA1252756A1 Writing pen |
| 04/12/1989 | CN1032311A Writing implement with writing unit enclosed in a pincers-acting body |
| 04/06/1989 | DE3732139A1 Writing instrument, especially a ball-point pen |
| 03/15/1989 | EP0307368A1 Writing instrument with a writing unit enclosed in a gripping body |
| 02/15/1989 | CN2032547U Thumb-operated double-colour ball-pen |
| 02/15/1989 | CN2032546U Ball-pen |
| 02/01/1989 | CN2031760U Adjustable ball pen capable of pressing its lower position |
| 01/18/1989 | CN2030945U Soft health-care ball-pen |
| 01/04/1989 | CN1030048A Multi-purpose pen |
| 01/03/1989 | US4795286 Pen tip structure |
| 12/28/1988 | EP0296607A1 Multifunctional pen |
| 12/14/1988 | CN87103791A Ball-point pen cores with curve form rod body |
| 12/06/1988 | US4789399 Pressurized roller pens and inks for such pens |
| 12/06/1988 | US4789261 Liquid aerosol applicator with sponge buffer to brush |
| 11/30/1988 | EP0293343A1 Ball pen including a cam mechanism for actuating its writing tip |
| 11/22/1988 | US4786198 Ink compositions and writing instruments including the compositions |
| 11/22/1988 | US4786197 Twist actuated writing instrument |
| 11/16/1988 | CN87213314U Ball-pen |
| 11/09/1988 | EP0289540A1 Writing point or tracing element. |
| 10/05/1988 | EP0284851A1 Exchangeable cartridge with writing point |
| 10/05/1988 | CN87212865U Thin type foldable ball-pen |
| 09/20/1988 | CA1242168A1 Pen |