| Patents for B43L 9 - Circular curve-drawing or like instruments (2,793) | |
|---|---|
| 06/2010 | |
| 06/02/2010 | CN201494185U Multifunctional compasses |
| 06/02/2010 | CN201494183U Multifunctional scale |
| 06/02/2010 | CN201494152U Pencil-saving sleeve |
| 05/2010 | |
| 05/26/2010 | CN201483992U Multifunctional set square for teaching |
| 05/26/2010 | CN201483990U Portable folding magnetic angulometer |
| 05/26/2010 | CN201483988U Compasses |
| 05/26/2010 | CN201483987U Multifunctional mathematical drawing device |
| 05/26/2010 | CN201483986U Multifunctional ruler |
| 05/26/2010 | CN201483958U Double-ended pen and clamp thereof |
| 05/20/2010 | DE202010000074U1 Zirkel sowie gelenkige Verbindung insbesondere zur Verwendung in einem Zirkel Circle and articulation in particular for use in a circle |
| 05/19/2010 | CN201471973U Semi-circle instrument with compass functions |
| 05/19/2010 | CN201471968U Compasses with a ruler |
| 05/19/2010 | CN201471967U Compasses for not scratching paper |
| 05/19/2010 | CN201471966U Electronic compass |
| 05/19/2010 | CN201471965U Multifunction ruler |
| 05/19/2010 | CN201471951U Compasses pen |
| 05/19/2010 | CN201471938U Multifunctional pen |
| 05/12/2010 | CN201456787U multifunctional protractor |
| 05/12/2010 | CN201456784U Novel ruler |
| 05/12/2010 | CN201456779U Teaching compasses |
| 05/12/2010 | CN201456778U Compasses for teaching |
| 05/12/2010 | CN201456777U Multifunctional compass |
| 05/12/2010 | CN201456776U compasses with eraser |
| 05/12/2010 | CN201456775U magnetic teaching compasses |
| 05/12/2010 | CN201456774U Compasses capable of using a variety of pens for drawing |
| 05/12/2010 | CN201456773U Novel compasses |
| 05/12/2010 | CN201456772U Three-function compass |
| 05/12/2010 | CN201456770U Multifunctional teaching measurer |
| 05/12/2010 | CN201456768U Ruler capable of being used as circle |
| 05/12/2010 | CN201456764U Multifunctional teaching ruler |
| 05/12/2010 | CN201456761U Multifunctional ruler |
| 05/12/2010 | CN201456726U Multifunctional pen |
| 05/12/2010 | CN201456705U Integrated drawing pencil |
| 05/05/2010 | CN201449229U Multipurpose protractor assembly |
| 05/05/2010 | CN201446812U Manual plotter |
| 05/05/2010 | CN201446809U Sucking disc type cyclograph for teaching |
| 05/05/2010 | CN201446808U Multifunctional compass |
| 04/2010 | |
| 04/29/2010 | WO2010045920A1 Compass |
| 04/29/2010 | DE202008016339U1 Zirkelschreibgerät Circle writing instrument |
| 04/28/2010 | CN201444357U Teaching rod |
| 04/28/2010 | CN201442454U Teaching ruler with magnetic needle |
| 04/28/2010 | CN201442453U Continuous lead type compasses |
| 04/28/2010 | CN201442452U Compass |
| 04/28/2010 | CN201442451U Multifunctional compasses |
| 04/28/2010 | CN201442450U Teaching compasses |
| 04/28/2010 | CN201442449U Multipurpose angle gauge ruler for student |
| 04/28/2010 | CN201442441U Mathematical universal instrument |
| 04/28/2010 | CN1835829B Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool |
| 04/14/2010 | CN101693431A Ruler capable of drawing quantitative radius circle |
| 04/08/2010 | US20100083514 Apparatus and a Method for Drafting a Framework for a Pattern |
| 03/2010 | |
| 03/31/2010 | CN201432520Y multifunctional compasses |
| 03/31/2010 | CN201432519Y Labor-saving compass |
| 03/31/2010 | CN201432518Y Compass |
| 03/31/2010 | CN201432517Y Compass |
| 03/30/2010 | US7685719 Circle cutting device |
| 03/25/2010 | DE202009015710U1 Zirkel mit Griffmulde Circle with handle |
| 03/24/2010 | CN201427471Y Slide rule compasses |
| 03/17/2010 | CN201423844Y Multipurpose angle gauge |
| 03/17/2010 | CN101670736A multifunctional teaching compasses |
| 03/10/2010 | CN201419593Y Set square for teacher |
| 03/10/2010 | CN201419590Y Suction disc type cyclograph for teaching |
| 03/03/2010 | CN201415569Y Multi-purpose triangular rule |
| 03/03/2010 | CN201415568Y Multifunctional ruler for teaching |
| 02/2010 | |
| 02/24/2010 | CN201413102Y Multipurpose automatic leather measuring tape |
| 02/17/2010 | CN201405633Y Compasses for teachers |
| 02/10/2010 | CN201400023Y Compass locating rack |
| 02/10/2010 | CN201400022Y Compasses with precise radius |
| 02/10/2010 | CN201400006Y Multifunctional pen |
| 02/10/2010 | CN201400005Y Multifunctional mathematical apparatus |
| 01/2010 | |
| 01/27/2010 | CN201390063Y Safety compass |
| 01/27/2010 | CN201390062Y Compasses |
| 01/27/2010 | CN201390061Y Multifunctional compass |
| 01/27/2010 | CN201390060Y Filter paper cutting compasses |
| 01/27/2010 | CN101633279A Cursor sliding compass |
| 01/20/2010 | CN201385519Y Multifunctional measurer |
| 01/20/2010 | CN201385515Y Multi-functional compasses |
| 01/20/2010 | CN201385514Y Compasses |
| 01/20/2010 | CN201385513Y Compasses |
| 01/20/2010 | CN201385512Y Multi-functional compass |
| 01/20/2010 | CN201385511Y Combined compasses |
| 01/20/2010 | CN101628519A Compass |
| 01/13/2010 | CN201380690Y Novel compasses |
| 01/13/2010 | CN201380689Y Compasses with sleeve |
| 01/13/2010 | CN201380686Y Multi-functional teaching ruler |
| 01/13/2010 | CN201380685Y Blackboard geometric figure drawing ruler |
| 01/13/2010 | CN201380676Y Multifunctional pen |
| 01/07/2010 | US20100000102 Flat compass for marking large arcsand circles |
| 01/07/2010 | US20100000101 Measuring compass |
| 01/06/2010 | CN201376426Y Single-arm compass |
| 01/05/2010 | US7640671 Measuring compass |
| 12/2009 | |
| 12/30/2009 | CN201371680Y Industrial large-diameter bow compass |
| 12/30/2009 | CN201371679Y Standard compasses |
| 12/23/2009 | CN201366884Y Compasses capable of accommodating pen refill |
| 12/23/2009 | CN201366882Y Ruler capable of drawing circle |
| 12/16/2009 | CN201362105Y Multifunctional diagraph for students |
| 12/16/2009 | CN201362103Y Multifunctional drawing ruler |
| 12/02/2009 | CN201353959Y Multipurpose ruler |
| 12/02/2009 | CN201353956Y Vernier compass for teaching |
| 12/02/2009 | CN201353955Y Folding metric scale compasses |
| 12/02/2009 | CN201353937Y Novel chalk holder |