| Patents for B43L 23 - Sharpeners for pencils or leads (1,940) |
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| 05/20/1998 | CN2281904Y Multifunctional sharpener for thick core prepelling pencil |
| 04/30/1998 | WO1998007347A3 Device for facilitating manicuring and method of use thereof |
| 04/29/1998 | CN2280014Y Rotational pencil sharpener not easy to break the leads |
| 04/16/1998 | DE19640909A1 Pencil sharpener for leads |
| 03/18/1998 | CN2276418Y Cap type sharpening apparatus special for propelling pencil |
| 03/17/1998 | US5727323 Pencil sharpener accessory |
| 03/11/1998 | EP0827844A1 Sharperner for soft pencil lead |
| 03/11/1998 | CN2275953Y Pencil sharpener |
| 03/05/1998 | DE19707116A1 Leaded pencil or like sharpener |
| 02/26/1998 | WO1998007347A2 Device for facilitating manicuring and method of use thereof |
| 02/11/1998 | CN1172738A Improved rotating sharpener for pencils |
| 01/29/1998 | DE19630182A1 Encased sharpener, for e.g. cosmetic pencils with leads enclosed in wood |
| 01/21/1998 | CN2272826Y Pencil cap type lead sharpener |
| 01/21/1998 | CN2272825Y Sharpener for pencil |
| 01/07/1998 | CN2271970Y New pen Sharpener |
| 01/07/1998 | CN2271969Y Electric pencil sharpener with helical hob |
| 12/23/1997 | US5699620 Apparatus for sharpening crayon marking instruments to form an improved arcuate safety marking tip |
| 12/17/1997 | CN2270638Y Pencil sharpener |
| 12/10/1997 | CN2269968Y 电动削笔器 Electric pencil sharpener |
| 11/26/1997 | CN2268639Y Playable pencil sharpener |
| 11/12/1997 | CN2267170Y 削笔器 Pencil sharpener |
| 10/22/1997 | CN2265306Y Pencil sharpener |
| 10/15/1997 | CN2264679Y Propelling pencil capable of rotary sharpening lead |
| 10/08/1997 | CN2264092Y Combined pencil sharpener |
| 10/01/1997 | CN2263592Y Pencil lead sharpener |
| 09/24/1997 | CN2263012Y Pencil sharpener with double cutting edge |
| 09/24/1997 | CN2263011Y Pencil sharpener with short edge |
| 09/10/1997 | CN2261945Y Safety planing type pencil sharpener |
| 09/10/1997 | CN2261944Y Electric driven pencil sharpener |
| 08/27/1997 | CN2260724Y Multi-purpose non-lead-cut-off rotating pencil sharpener |
| 08/20/1997 | CN2260009Y Two blade type sharpener for pencil |
| 08/13/1997 | CN2259290Y Pencil with cap and sharpening device |
| 07/30/1997 | CN2258459Y Two-purpose device for pencil sharpening and opening envelope |
| 07/23/1997 | CN2258120Y Combined knife for sharpening pencils |
| 07/15/1997 | US5647138 Cap sharpener for clutch-type pencil |
| 06/18/1997 | CN2256379Y Safety and sanitary pencil sharpener |
| 06/11/1997 | CN2255927Y Electric pencil sharpener |
| 06/04/1997 | CN2255372Y Rotational pencil-sharpener |
| 06/04/1997 | CN2255371Y Sharpener for propelling pencil with thick lead-core |
| 04/23/1997 | CN2252720Y Pencil sharpener aid |
| 03/05/1997 | CN2248644Y pencil sharpener with positioning function |
| 02/12/1997 | CN2247102Y Multi-function pencil |
| 02/05/1997 | CN2246589Y 电动削铅笔机 Electric pencil sharpener |
| 02/04/1997 | US5599123 Combined pencil sharpener and pencil stowage apparatus |
| 01/29/1997 | CN2246077Y Breaking-free lead pencil sharpener |
| 01/01/1997 | CN2243993Y Pencil sharpener |
| 12/25/1996 | CN2243400Y Pencil sharpener |
| 12/18/1996 | CN2242800Y Black-lead-sharpening device |
| 10/30/1996 | CN2238749Y Pencil sharpener |
| 10/23/1996 | CN2238154Y Pencil sharpener with gearing |
| 10/09/1996 | CN2236957Y Pencil sharpener with double hole cutting function |
| 10/09/1996 | CN2236956Y Straight type multifunctional pencil sharpener |
| 10/02/1996 | CN2236410Y Drawing lead grinder |
| 09/11/1996 | CN2234869Y Double-hole pencil sharpener |
| 09/11/1996 | CN2234721Y Multi-function pencil box |
| 09/04/1996 | CN2234362Y Pencil sharpener |
| 08/14/1996 | CN2232851Y Electric pencil sharpener |
| 07/31/1996 | CN2231978Y Semi-automatic sharpener for pencil |
| 07/24/1996 | CN2231619Y Electric sharpener for pencils |
| 07/10/1996 | CN2230669Y Pencil sharpener |
| 07/03/1996 | CN2230240Y Semi-automatic pencil-sharpening device |
| 06/19/1996 | CN2229360Y Sharpener for pencil |
| 05/15/1996 | DE4440271A1 Pencil sharpener with adjustable blade |
| 05/08/1996 | CN2226629Y Safe |
| 05/07/1996 | US5513436 Pencil sharpener for a tape measure |
| 04/17/1996 | CN2224743Y Pencil sharpener against breaking lead |
| 04/17/1996 | CN2224742Y high performace pencil sharpener with low lead-breaking rate |
| 04/17/1996 | CN2224741Y Pencil sharpener |
| 04/17/1996 | CN2224740Y Two purpose pencil sharpener |
| 04/10/1996 | CN2224101Y Rotating sharpener for pencil |
| 03/27/1996 | CN1119160A Actuator for slip preventing device |
| 03/20/1996 | CN2222627Y Vertical pencil sharpener |
| 03/06/1996 | CN2221503Y Automatic pistol-type pencil sharpener |
| 02/14/1996 | CN2219800Y Electric pencil sharpener |
| 01/31/1996 | CN2218662Y Sharpener for pencil |
| 01/31/1996 | CN2218661Y Magic ball with pencil sharpener |
| 01/24/1996 | CN2218092Y Multifunctional pencil sharpener |
| 01/24/1996 | CN2218091Y Pencil sharpener with core grinder |
| 01/17/1996 | CN2217524Y Desk-type self-rotating pencil-sharpener |
| 12/27/1995 | CN2216000Y Straight cutting type pencil sharpener |
| 12/20/1995 | CN2215417Y Pencil sharpener without lead core fracture |
| 11/29/1995 | CN2213645Y Cutting device with curved surface blade |
| 11/15/1995 | CN2212512Y Universal pencil sharpener |
| 11/15/1995 | CN2212511Y Adjustable pencil sharpener |
| 11/08/1995 | CN2211921Y pull cutting safety pencil sharpener |
| 09/27/1995 | CN2208502Y Lead-fracture-proof pencil sharpener |
| 09/20/1995 | CN2207947Y Multi-hole pencil sharpener |
| 09/08/1995 | WO1995023709A1 Sharpener for soft element pencils |
| 08/23/1995 | CN2205780Y Double-knife pencil sharpener |
| 07/05/1995 | CN2202654Y Two-purpose pencil sharpener |
| 05/03/1995 | CN2196034Y Automatic pencil sharpener |
| 04/26/1995 | EP0649759A1 Sharpener |
| 04/05/1995 | CN2193817Y Sharpen-control indicator for pencil sharpener |
| 03/22/1995 | CN2192483Y Pencil sharpener |
| 03/08/1995 | CN2191107Y Electronic pencil sharpener |
| 03/07/1995 | US5394613 Spring-driven pencil sharpener |
| 03/01/1995 | CN2190570Y Anti-lead-broken pencil sharpener |
| 02/16/1995 | WO1995004663A1 Tool for variably cutting tip of bar member |
| 02/01/1995 | EP0368842B1 Applicator for soft materials |
| 01/10/1995 | US5379817 Sharpener for a soft element pencil |