| Patents for B43K 21 - Propelling pencils (2,215) |
|---|
| 09/17/1991 | US5048989 Crayon holder |
| 09/04/1991 | CN2084004U Propelling pencil |
| 09/03/1991 | US5044805 Mechanical pencil |
| 08/14/1991 | CN1053770A Writing tool |
| 08/01/1991 | DE4002319A1 Propelling pencil mechanism in pen housing - has equaliser spring matching predetermined housing length and selector cam |
| 07/31/1991 | CN2081804U Propelling pencil |
| 07/23/1991 | US5033894 Mechanical pencil with tapered supply chamber |
| 06/19/1991 | CN2079117U Automatic pencil |
| 06/11/1991 | US5022774 Writing tool with eraser dispenser |
| 06/11/1991 | US5022772 Rotary knock type mechanical pencil |
| 05/28/1991 | US5018892 Applicator device for a stick of spreadable material |
| 05/28/1991 | US5018891 Writing instrument with eraser dispenser |
| 05/22/1991 | CN2077375U Propelling pencil with multiple leads |
| 05/22/1991 | CN2077374U Propelling pencil with automatic lead feeding |
| 04/30/1991 | CA1283531C Drawing device for use in a drafting machine and a drawing pencil usedtherewith |
| 04/24/1991 | CN2075592U Dual-purpose core changeable pencil |
| 04/23/1991 | US5009533 Propelling pencil with cushion sleeve |
| 04/03/1991 | EP0419745A1 Mechanically controlled writing instrument with pre-sharpened pencil lead elements |
| 04/02/1991 | US5004362 Mechanical pencil |
| 04/02/1991 | CA1282373C Button/key actuating instrument with angled end |
| 04/02/1991 | CA1282371C Mechanical pencil capable of automatically propelling successive lengths of lead |
| 03/20/1991 | EP0368842A4 Applicator for soft materials |
| 03/12/1991 | US4998837 Lead cartridge with an openable capping structure |
| 03/06/1991 | CN1049631A Two-purpose propelling pencil |
| 02/20/1991 | CN2071585U Press type drawing propelling pencil |
| 02/14/1991 | CA2003832A1 Mechanically controlled writing apparatus with pre-sharpened pencil lead elements |
| 02/13/1991 | CN1049129A Box type penholder-pressing propelling pencil |
| 01/29/1991 | US4987911 Cosmetic pencil |
| 01/17/1991 | DE3922955A1 Writing implement with collet chuck - has shaped chuck sections to allow for automatic assembly |
| 01/09/1991 | CN1048354A Multirow writing-core writing-drawing pen of automatical changing core |
| 12/27/1990 | EP0404215A1 Propelling pencil |
| 12/25/1990 | US4979839 Mechanical pencil having an automatic lead extending mechanism |
| 12/21/1990 | CA2018663A1 Propelling pencil |
| 12/11/1990 | US4976560 Mechanical pencil with a plastic chuck |
| 11/28/1990 | CN2066389U Free sharpening pencil |
| 11/13/1990 | US4969763 Lead forwarding mechanism retainer for thurst action mechanical pencil |
| 10/31/1990 | EP0394511A1 Multi-lead writing apparatus |
| 10/31/1990 | CN2064713U Fully automatic pencil |
| 10/30/1990 | US4966478 Mechanically controlled-writing apparatus with presharpened pencil lead elements |
| 10/24/1990 | EP0393377A2 Propelling device for a bar shaped article |
| 10/17/1990 | CN2063880U Sharpening free pencil |
| 10/11/1990 | DE3910982A1 Hand-held writing instrument |
| 10/11/1990 | DE3910546C1 Fillable pencil with resiliently mounted lead clamping device |
| 09/19/1990 | CN2062283U Automatic drawing pen with squar lead |
| 09/18/1990 | US4957384 Mechanical pencil |
| 09/18/1990 | US4957383 Lead propelling device for an automatic pencil |
| 09/13/1990 | DE3910545C1 Fine writing instrument with retractable tip part |
| 09/11/1990 | US4955739 Mechanical pencil having side push button actuated lead advance |
| 09/07/1990 | WO1990009896A1 Mechanical pencil |
| 09/06/1990 | DE3906806A1 Clamping gripper for refillable pencils |
| 09/06/1990 | DE3906348A1 Clamping gripper with non-slip surface for propelling pencils |
| 09/06/1990 | DE3906346A1 Clamping gripper for refillable pencils |
| 09/05/1990 | CN1045063A Non-sharpenning pencil |
| 08/29/1990 | EP0384590A2 Mechanical plotter pencil and methods of advancing lead therein |
| 08/22/1990 | EP0383412A2 Lead chuck of mechanical pencil |
| 08/22/1990 | CN2060729U Improved writing-core feeding mechanism of propelling pencils |
| 08/08/1990 | CN2060118U Overlapping pen |
| 07/31/1990 | US4944622 Writing implement |
| 07/11/1990 | CN1008712B Writing drawing pen |
| 07/03/1990 | US4938626 Lead-replaceable writing implement with multiple lead channels |
| 06/20/1990 | CN2058381U Movable combined penholder |
| 06/07/1990 | DE3840760A1 Refillable propelling pencil |
| 05/29/1990 | US4929107 Swing-type mechanical pencil |
| 05/23/1990 | EP0368842A1 Applicator for soft materials. |
| 05/09/1990 | CN2056900U Simple propelling pencil |
| 04/26/1990 | DE3835680A1 Method for producing an insert, in particular for cosmetic sticks and the like, insert for a cosmetic stick, and cosmetic stick with an insert of this type |
| 04/25/1990 | EP0210280B1 Eversharp pencil |
| 04/24/1990 | US4919556 Writing implement having simplified lead-feeding mechanism |
| 04/10/1990 | US4915521 Mechanical pencil with rotary discharge member |
| 03/28/1990 | CN2055095U Double protective core double damping clutch-type pencil |
| 03/27/1990 | US4911569 Mechanical pencil with a fluid actuator |
| 03/21/1990 | CN2054750U Movable pencil with large eraser |
| 03/14/1990 | EP0357833A1 Writing implement comprising leads |
| 03/07/1990 | CN2053984U Multifunction propelling pencil |
| 02/21/1990 | CN2053147U Automatic pen set exempt from sharpening |
| 02/14/1990 | CN2052721U Multi-refil writing tool |
| 02/14/1990 | CN1039556A Pencil and ink suitable for children |
| 02/07/1990 | EP0353379A2 Mechanical pencil having an automatic lead extending mechanism |
| 02/07/1990 | CN2052350U Clutch-type pencil |
| 01/30/1990 | US4896982 Lead feed mechanism for mechanical pencil |
| 01/30/1990 | US4896981 Mechanical pencil |
| 01/25/1990 | DE3921822A1 Painting or writing instrument |
| 01/24/1990 | CN2051565U Drawing pen with writing-cores automatically replaceable and contractable length |
| 01/23/1990 | US4895467 Rotary knock type mechanical pencil |
| 01/17/1990 | CN2051159U Pencil with auto-feed core |
| 01/11/1990 | WO1990000118A1 Painting or writing implement |
| 12/20/1989 | CN2049602U Dual-purpose propelling pencil |
| 12/20/1989 | CN2049601U Propelling pencil convenient for projecting lead |
| 12/20/1989 | CN2049600U Pencil for studying to use |
| 12/05/1989 | US4884911 Mechanical pencil with latching chuck actuator |
| 12/05/1989 | US4884910 Mechanical pencil |
| 11/23/1989 | DE3915331A1 Mechanical pencil |
| 11/22/1989 | CN2048022U Writing-core feeding mechanism of propelling pencil |
| 11/08/1989 | CN1036923A 书写绘图笔 Writing pen |
| 10/25/1989 | CN2046441U Uneasily breaking pencil without sharpening |
| 10/25/1989 | CN2046440U 不用削的铅笔 Do not cut the pencil |
| 10/10/1989 | US4872776 Lead chuck of mechanical pencil |
| 09/05/1989 | US4863301 Rod-shaped dispensing device for rubbable or scrapable masses |
| 08/23/1989 | CN2043182U Equal linewidth drawing pencil |
| 08/15/1989 | US4856693 Working out container of bar shaped article |