| Patents for B43L 9 - Circular curve-drawing or like instruments (2,793) | |
|---|---|
| 08/2008 | |
| 08/20/2008 | CN201102414Y Portable compasses |
| 08/20/2008 | CN201102410Y Novel ruler |
| 08/06/2008 | CN201095251Y Multifunctional surveying instrument |
| 08/06/2008 | CN201095249Y Movable ruler-compass |
| 08/06/2008 | CN201095248Y Compasses ruler |
| 08/06/2008 | CN201095247Y Multifunctional folding teaching aid |
| 08/06/2008 | CN201095245Y Practical double-pencil compasses for students |
| 08/06/2008 | CN201095244Y Practical double-pencil compasses for students |
| 08/06/2008 | CN201095243Y Compasses with caliper rule |
| 08/06/2008 | CN201095242Y Multi-purpose compasses |
| 08/06/2008 | CN101234574A Multifunctional teaching sector ruler and compass |
| 08/06/2008 | CN101234572A Educational compasses |
| 07/2008 | |
| 07/30/2008 | CN201092207Y Teaching crutch |
| 07/30/2008 | CN201092204Y Multifunctional compasses |
| 07/30/2008 | CN201092203Y Multifunctional bow compass |
| 07/30/2008 | CN201092202Y Compass convenient for measuring radius |
| 07/30/2008 | CN201092201Y Calipers |
| 07/30/2008 | CN201092200Y Calipers |
| 07/23/2008 | CN201089308Y Novel safe calipers angle measurement stationery for students |
| 07/23/2008 | CN201089306Y Circle-drawing pulling ruler |
| 07/23/2008 | CN201089305Y Teaching calipers |
| 07/16/2008 | EP1944567A1 Compass with a particularly point-form light source on at least one compass arm |
| 07/16/2008 | CN201086555Y Multifunctional square |
| 07/16/2008 | CN201086550Y Educational compasses |
| 07/16/2008 | CN201086549Y Convenient and safe compass for teaching use |
| 07/16/2008 | CN201086548Y Multi-functional compass for teaching use |
| 07/16/2008 | CN201086547Y Compass |
| 07/16/2008 | CN201086546Y Compass |
| 07/16/2008 | CN201086545Y Multifunctional compass |
| 07/16/2008 | CN201086544Y Telescopic compass |
| 07/16/2008 | CN201086543Y Compass |
| 07/09/2008 | CN201082646Y Set square with compasses |
| 07/09/2008 | CN201082642Y Multifunctional set square |
| 07/09/2008 | CN201082641Y Teaching compasses |
| 07/09/2008 | CN201082640Y Telescopic multifunctional compasses |
| 07/09/2008 | CN201082639Y Automatic compasses |
| 07/02/2008 | CN201080087Y Multifunctional triangle |
| 07/02/2008 | CN201080083Y Sucker type compasses |
| 07/02/2008 | CN201080082Y Magnetic blackboard compasses |
| 07/02/2008 | CN201080081Y Portable compasses cover |
| 07/02/2008 | CN201080080Y Multifunctional compasses |
| 07/02/2008 | CN201080079Y Concentric compasses |
| 06/2008 | |
| 06/25/2008 | CN201077288Y Multi-purpose stationery |
| 06/25/2008 | CN201077284Y Packaged combination compasses |
| 06/25/2008 | CN201077283Y Compasses with staff gauge |
| 06/25/2008 | CN201077282Y Compasses with measuring scale |
| 06/18/2008 | CN201073876Y Multifunctional teaching ruler |
| 06/18/2008 | CN201073875Y Multipurpose bevel gage |
| 06/11/2008 | CN201070931Y Multifunctional ruler |
| 06/11/2008 | CN201070930Y Circular curve-drawing instrument for blackboard |
| 06/10/2008 | US7383635 Multipurpose drawing tool |
| 06/04/2008 | CN201068042Y Multipurpose teaching aid |
| 06/04/2008 | CN101190632A Compass |
| 05/2008 | |
| 05/21/2008 | CN201061964Y Multifunctional combined teaching aids |
| 05/21/2008 | CN201061963Y Multifunctional combined stationery |
| 05/21/2008 | CN201061962Y Novel geometric figure diagraph |
| 05/21/2008 | CN201061960Y Multipurpose semi-circle instrument |
| 05/21/2008 | CN201061959Y Suction-disc type circle drawer |
| 05/21/2008 | CN201061958Y Sucker calipers |
| 05/20/2008 | US7373734 Linear proportioner |
| 05/01/2008 | US20080098607 Professional compass rulers |
| 04/2008 | |
| 04/30/2008 | DE202008002820U1 Ordnungs- und Haltevorrichtung für Schulutensilien Ordering and holding device for school supplies |
| 04/16/2008 | CN101161472A Sucking disc circular curve-drawing instrument |
| 04/01/2008 | US7350311 Pipe cutting template |
| 03/2008 | |
| 03/12/2008 | EP1654094A4 Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool |
| 03/12/2008 | CN201034523Y Compasses capable of measuring and drafting certain angle |
| 03/06/2008 | DE202007017772U1 Zirkel Circle |
| 03/06/2008 | DE202007000461U1 Zirkel mit einer insbesondere punktförmigen Lichtquelle an zumindest einem Zirkelarm Circle with a particular point light source at at least one Zirkelarm |
| 02/2008 | |
| 02/27/2008 | EP1892119A1 Compass cutter |
| 02/27/2008 | CN201026755Y Multi-functional ruler |
| 02/27/2008 | CN201026754Y Multifunctional teaching appliance |
| 02/27/2008 | CN201026753Y Multifunctional teaching aid |
| 02/27/2008 | CN201026752Y Compasses with three supports |
| 02/27/2008 | CN101130326A Concentric compasses |
| 02/20/2008 | CN101125505A Multifunctional teaching gauge |
| 02/13/2008 | CN201021023Y Compasses ruler |
| 02/13/2008 | CN201021022Y Multi-purpose compasses |
| 02/13/2008 | CN201021021Y Linked rod type compasses |
| 02/06/2008 | CN201015934Y Electric compasses |
| 02/06/2008 | CN201015933Y Automatic compasses |
| 02/06/2008 | CN201015932Y Digital display compasses |
| 01/2008 | |
| 01/30/2008 | CN201012596Y Multifunctional graph drawing device |
| 01/30/2008 | CN201012594Y White board compasses |
| 01/30/2008 | CN201012593Y Compasses having a sucking disc |
| 01/30/2008 | CN201012592Y Multipurpose compass |
| 01/23/2008 | CN201009599Y Folding teaching ruler |
| 01/23/2008 | CN201009595Y Novel compasses ruler |
| 01/23/2008 | CN201009594Y Compasses for blackboard |
| 01/23/2008 | CN201009593Y Multifunctional compasses |
| 01/23/2008 | CN201009592Y Convenient compasses |
| 01/23/2008 | CN201009591Y Campass with scale |
| 01/16/2008 | CN201006667Y Compasses |
| 01/09/2008 | CN201002451Y Compass capable of drawing accurate size |
| 01/09/2008 | CN201002450Y Tube needle pen compass |
| 01/02/2008 | CN200998969Y Digital drafting instrument |
| 01/02/2008 | CN200998967Y Calipers |
| 01/02/2008 | CN200998966Y Spherical surface calipers |
| 01/02/2008 | CN200998965Y Calipers capable of drawing ellipse |
| 12/2007 | |
| 12/26/2007 | CN200995559Y Studying multifunctional rulers for students |
| 12/26/2007 | CN200995558Y Multifunctional stationeries for students |