| Patents for B43K 24 - Mechanisms for selecting, projecting, retracting or locking writing units (2,268) |
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| 08/07/1996 | CN1128217A Combined writing tool |
| 05/21/1996 | US5518330 For extending/retracting a switching tip of a writing cartridge |
| 05/15/1996 | EP0711674A1 Combined writing tool |
| 04/10/1996 | CN1119994A Four part ball point pen mechanism |
| 03/20/1996 | CN1118749A Combined pen |
| 03/14/1996 | WO1996007550A1 Core-type writing implement with a completely retractable point |
| 02/01/1996 | DE4431741C1 Minenschreibgerät mit einer vollständig versenkbaren Spitze Mine writing instrument with a fully retractable top |
| 01/25/1996 | DE19526073A1 Combination writing implement |
| 10/03/1995 | US5454657 Combined lighter pen |
| 10/03/1995 | US5454655 Retracting writing instrument having replaceable cartridge |
| 10/03/1995 | US5454654 Pen |
| 08/24/1995 | WO1995022460A1 Writing instrument or the like |
| 08/24/1995 | DE4430009A1 Running ball mechanism for ball-point pen |
| 08/03/1995 | WO1995020495A1 Writing instrument |
| 07/20/1995 | DE4401218A1 Writing pen mechanism for ball-point pen |
| 07/19/1995 | EP0662049A4 Retracting writing instrument having replaceable cartridge. |
| 07/13/1995 | WO1995018719A1 A writing implement |
| 07/13/1995 | DE4400583A1 Pressing mechanism for conveying cosmetic and writing pens |
| 07/13/1995 | CA2178510A1 A writing implement |
| 07/12/1995 | EP0662049A1 Retracting writing instrument having replaceable cartridge |
| 07/06/1995 | DE4405684C1 Writing implement with variable dia. handgrip |
| 05/23/1995 | US5417504 Refill unit for a writing instrument |
| 05/09/1995 | US5413428 Writing instrument |
| 04/19/1995 | EP0371135B1 Extrusion member |
| 03/30/1995 | DE4333151A1 Locking mechanism near the tip of a writing utensil |
| 03/30/1995 | DE4333150A1 Lateral actuation for writing utensils |
| 03/16/1995 | DE4329772A1 Pen |
| 03/15/1995 | EP0321581B1 Writing utensil |
| 03/09/1995 | DE4401882A1 Feed casing with a cartridge for a solid body |
| 01/12/1995 | DE4323605A1 Writing implement with refill advance arrangement |
| 01/11/1995 | EP0458905B1 Writing appliance that closes automatically after a given time-interval |
| 12/28/1994 | EP0630762A1 A writing instrument with a push button, a clip and a spring in one piece |
| 11/30/1994 | EP0625943A1 Pen. |
| 11/29/1994 | US5368406 Pen-type device with combination lock |
| 11/17/1994 | EP0624484A1 A simplified-assembly ball point pen |
| 11/09/1994 | EP0623074A1 Refill unit for a writing instrument |
| 10/19/1994 | EP0620127A1 Stick-shaped material propelling container |
| 10/18/1994 | US5356232 Unified writing instrument and eraser dispenser |
| 08/30/1994 | US5342135 Writing instrument having advance-retract mechanism |
| 08/09/1994 | US5336006 Retractable writing instrument having replaceable cartridge |
| 06/14/1994 | US5320442 Liquid applicator with one way drive |
| 06/09/1994 | DE4300754C1 Ball point pen - has one-part housing shaft, operating device, ball point and spring component between housing shaft and ball point |
| 06/08/1994 | EP0600299A1 Writing instrument |
| 04/26/1994 | US5306085 Multiplex writing implement with eraser |
| 03/17/1994 | WO1994005512A1 Retracting writing instrument having replaceable cartridge |
| 03/17/1994 | DE4229976A1 Ball-point pen with retracting tip - incorporates latching mechanism holding tip in either retracted or extended position |
| 03/17/1994 | CA2143287A1 Retracting writing instrument having replaceable cartridge |
| 01/27/1994 | DE4324834A1 Combined cigarette lighter and pen or pencil - has cylindrical gas lighter screwed onto pen case with pen clip to activate lighter |
| 01/13/1994 | DE4221400A1 Writing implement, esp. ball-point pen - has refill moving mechanism actuated by pressure element, which moves along outside of pen shaft |
| 01/11/1994 | CA2042391C Dual writing element retractable pen |
| 11/23/1993 | US5263786 Rotary-cam ball-point pen |
| 09/15/1993 | EP0261114B1 Recording instrument |
| 08/19/1993 | CA2061439A1 Liquid hair cosmetic painting instrument |
| 08/10/1993 | US5233715 Combination tool assembly for graphic art |
| 08/05/1993 | WO1993014942A1 Pen |
| 08/05/1993 | DE4302320A1 Writing implement, esp. ball point pen - consists of two tubular bodies, connected by inaccessible snap connection elements |
| 08/05/1993 | CA2129426A1 Pen |
| 07/28/1993 | EP0553011A1 Writing instrument with mechanical pencil or ball point pen |
| 07/28/1993 | EP0552597A1 Handwriting instrument with movable point between a rest position and a writing position |
| 07/14/1993 | CN1021561C Multirow writing-core writing-drawing pen of automatical changing core |
| 06/16/1993 | EP0546217A1 Writing instrument operated by a finger at a holding position |
| 06/16/1993 | CN1021210C Writing tool |
| 06/09/1993 | EP0545917A2 Writing instrument |
| 05/19/1993 | EP0541660A1 Pen-type devices |
| 05/04/1993 | US5207523 Writing implement with forward and rearward seals |
| 04/28/1993 | EP0538503A1 A rotary-cam ball-point pen |
| 04/06/1993 | US5199807 Knocking type solid cosmetic container |
| 03/24/1993 | CN1070144A Refill unit for writing instrument |
| 02/25/1993 | DE4127935A1 Turning mechanism for writing implement, to move pencil lead, etc - has returned mechanism of cam and curve, and pressure spring between slide and curve section |
| 02/16/1993 | US5186562 Elongate handwriting implement with rotatable decoration on rear end |
| 02/09/1993 | US5184908 Writing implement with side actuator |
| 02/03/1993 | EP0524980A1 Mechanical pencil |
| 12/29/1992 | US5174814 Retractable marker pen and inks therefor |
| 12/22/1992 | CA1311723C Rotary knock type mechanical pencil |
| 12/16/1992 | EP0518198A1 Refill unit for a writing instrument |
| 12/15/1992 | WO1992022433A1 Refill unit for a writing instrument |
| 12/15/1992 | US5171097 Mechanical pencil with lead-feeding device operable by forward shake |
| 11/18/1992 | CN1066242A Direct slide and push type composite pen with shaft and spring plate |
| 11/18/1992 | CN1066241A Direct slide type composite pen with coaxial spring plate fixing head |
| 11/18/1992 | CN1066234A Poke-turning type composite pen |
| 11/18/1992 | CN1066233A Direct slide type composite pen with two spring fixing heads |
| 11/18/1992 | CN1066221A Turning type composite pen |
| 11/18/1992 | CN1019086B Dual writing element retractable pen |
| 10/21/1992 | EP0509556A2 Writing instrument |
| 10/07/1992 | CN2117989U Push button device for filling ink of writing appliance or regulating component of writing |
| 10/06/1992 | US5152626 Writing pen with retractable clip |
| 09/24/1992 | DE4104218A1 Felt pen with advanceable refill - has spring-loaded protective sleeve on refill tip, as integral part of latter |
| 09/22/1992 | US5149219 Swing-type mechanical pencil |
| 09/17/1992 | DE4108298A1 Ball pen instrument - has replaceable ink reservoir which is retained in pen barrel by interlocking projections |
| 09/08/1992 | US5145272 Projectable and retractable, push button writing instrument |
| 08/27/1992 | DE4105947A1 Retractable writing element for e.g. ball point pen - has spring fingers to hold writing element in extended position |
| 08/19/1992 | EP0498930A1 Combined writing tool |
| 08/18/1992 | US5139356 Side actuated writing implement |
| 08/05/1992 | EP0496944A1 Writing implement |
| 07/30/1992 | DE4102217A1 Retraction and extension mechanism for ball point pen - has spring catch which prevents inadvertent retraction |
| 07/23/1992 | DE4101635A1 Writing implement with exchangeable cartridge - which has moving mechanism with arrester and spring affecting arrester action |
| 06/09/1992 | US5121140 Writing pressure-changing device for recording device or the like |
| 05/26/1992 | US5115571 Reversible pen-caliper device and method |
| 05/21/1992 | DE4036817A1 Propelling pencil with replaceable cartridge - has cartridge propelling device located in front part of pencil |
| 04/28/1992 | US5108211 Hand held writing instrument with built in stamp |