Patents for B43K 27 - Multiple-point writing implements, e.g. multicolour; Combinations of writing implements (2,153) |
---|
11/30/1994 | CN2183892Y Color ball-pen with single core |
11/29/1994 | US5368405 Non-mingling multicolor marker and its process |
11/16/1994 | CN2182741Y Pen with two end points |
11/02/1994 | CN2181402Y Double colour ball-point pen of roller type with information reeling function |
10/19/1994 | CN2179827Y 绘图笔 Pen |
10/12/1994 | CN2179266Y Fountain pen with two nibs |
10/12/1994 | CN2179265Y 组合笔 Combination pen |
10/05/1994 | CN2178632Y Multipurpose pen |
10/05/1994 | CN2178631Y Multipurpose pen |
10/05/1994 | CN2178627Y Multipurpose fountain pen |
09/21/1994 | CN2177598Y Fast drawing pen for standard body temp. and pulse |
08/17/1994 | CN2174331Y Double-nib multi colour writing appliance |
08/17/1994 | CN2174330Y Single-piece multi-colour repeatedly-usable pencil |
08/16/1994 | US5338123 Double-ended pen |
08/03/1994 | CN2173166Y Active three-purpose pen and rotary pen holder |
07/19/1994 | CA2000088C Dual writing element retractable pen |
07/06/1994 | CN2170848Y Flat pencil with double head |
06/15/1994 | CN2168725Y Multifunctional duplicative pen |
06/15/1994 | CN2168724Y Set of colour pens |
06/07/1994 | US5318372 Combination pen and pencil writing instrument |
05/25/1994 | CN2166007Y Six-colour pen |
05/18/1994 | CN2164998Y Mac pen |
05/11/1994 | WO1994009997A1 Writing instrument with simultaneous multicolour highlighting |
05/04/1994 | CN2163741Y Six-colour watercolour paintbrush |
04/27/1994 | CN2163070Y Multi-colour ink pen with two ends nibs on one penholder |
04/27/1994 | CN2163069Y Double-group dual-rail art designing pen |
04/26/1994 | US5306092 Marking pen with gradual-layer color effect |
04/20/1994 | CN2162360Y Pen cabable for drawing multi-parallel-line at one time |
04/13/1994 | CN2161474Y Dual-purpose pen |
03/31/1994 | WO1994006872A1 Assembly or set of different color inks and an assembly of writing instruments |
03/30/1994 | CN2159878Y Single multi-colour multi-head pen |
03/16/1994 | EP0587103A1 Writing implement with two writing elements |
02/23/1994 | CN2157040Y Multicolor fountain pen |
01/19/1994 | CN2153467Y Double lock direction and moving switch integral multicolour pen |
01/19/1994 | CN2153466Y Combined stationery |
01/12/1994 | CN2152676Y Stamp type medical pen |
12/29/1993 | CN2151010Y Multiple tips pen |
12/29/1993 | CN1079937A Siphon fountain writing brush with large tube penholder |
12/08/1993 | CN2148680Y Multi-purpose pen with dictionary |
11/24/1993 | CN2147115Y Fountain writing brush |
11/17/1993 | CN2146372Y 彩色笔 Color pen |
10/27/1993 | CN2144582Y Double end dual-purpose mechanical pencil |
10/13/1993 | EP0564666A1 Non-mingling multicolor marker and its fabrication |
09/16/1993 | WO1993017879A1 Nib units for pens |
09/15/1993 | CN2142070Y 扁笔 Flat pen |
09/08/1993 | CN2141769Y Multipurpose pen |
08/25/1993 | CN2140833Y Pen for drawing staff |
08/18/1993 | CN2140302Y Multi-refill adjustable ball-point pen |
08/11/1993 | CN2139893Y Pen for draw staff |
07/28/1993 | EP0553011A1 Writing instrument with mechanical pencil or ball point pen |
07/21/1993 | CN2138571Y Multicolour pencil |
06/22/1993 | US5221152 Writing instrument with cap |
06/16/1993 | CN2136141Y 双头钢笔 Double Pen |
06/16/1993 | CN1021210C Writing tool |
06/09/1993 | CN2135470Y Double-colour watercolour pen |
05/26/1993 | CN2134291Y Multi-colour fountain pen |
05/26/1993 | CN2134290Y Special control structure of multi-colour pen |
05/26/1993 | CN1020877C Color-blending-proof multi-colored pen and manufacturing method thereof |
05/12/1993 | CN2132628Y Example compose pen |
05/05/1993 | CN2131701Y Propelling pencil with multiple writing core feed mechanism |
05/05/1993 | CN2131700Y Multifunction chalk writting protective cover |
04/20/1993 | US5203638 Writing instrument for alternately writing in fluorescent transparent and nontransparent ink |
04/07/1993 | CN2129220Y Multi-colour writing implament |
03/31/1993 | CN1070368A Portable propelling pencil |
03/03/1993 | CN1069451A Stereo writing pen with multicolour lines |
12/30/1992 | CN2126157U 多功能笔 Multi-function pen |
12/10/1992 | DE4123990A1 Drawing implement for music lines - consists of holder with five parallel removable fixed pens in casing |
12/09/1992 | CN2124140U Dual-purpose pen |
12/02/1992 | CN2123429U Colour multifunction pen |
12/02/1992 | CN2123428U Multi-colur, multi-point writing pen |
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 | CN1066240A Direct slide turning disc type composite pen |
11/18/1992 | CN1066239A Spring plate locating type composite pen |
11/18/1992 | CN1066238A Direct slide and push type composite pen with two spring fixing heads |
11/18/1992 | CN1066237A Direct slide and push type composite pen with coaxial spring plate |
11/18/1992 | CN1066236A Poke type composite pen |
11/18/1992 | CN1066235A Direct slide type composite pen with two fixing heads |
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 | CN1066232A Multi-purpose composite pen with two writing ends |
11/18/1992 | CN1066231A Push and direct slide type turning disc composite pen |
11/18/1992 | CN1066230A Push and direct slide type composite pen |
11/18/1992 | CN1066229A Direct slide composite pen with double piston fixing head |
11/18/1992 | CN1066228A Pull-turning disc type composite pen |
11/18/1992 | CN1066227A Two writing cores composite pen with alter |
11/18/1992 | CN1066226A Two writing cores composite pen |
11/18/1992 | CN1066225A Push type composite pen with clamp head |
11/18/1992 | CN1066224A Revolving shaft type composite pen |
11/18/1992 | CN1066223A Push and turning type composite pen |
11/18/1992 | CN1066222A Revolving stretching type composite pen with double pen ends |
11/18/1992 | CN1066221A Turning type composite pen |
11/18/1992 | CN1066220A Revolving type composite pen |
11/18/1992 | CN1066219A Composite pen with composite sleeve |
11/18/1992 | CN1066218A Two-purpose bladder composite pen with double spring plate |
11/18/1992 | CN1066217A Two-purpose bladder poke-turning type composite pen |
11/18/1992 | CN1066216A Two-purpose bladder directly slid and turning disc type composite pen |
11/18/1992 | CN1066215A Two-purpose bladder single handle turning type composite pen |
11/18/1992 | CN1066214A Two-purpose bladder composite pen with pivot and spring plate |
11/18/1992 | CN1066213A Two-purpose bladder composite pen with alter |