Patents for B43L 9 - Circular curve-drawing or like instruments (2,793) | |
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07/2013 | |
07/24/2013 | CN203078073U Fastening device of compass head used for teaching |
07/24/2013 | CN203078072U Compasses for teaching |
07/24/2013 | CN203078071U Chalk compasses |
07/24/2013 | CN203078070U Compass with magnet and for teacher |
07/24/2013 | CN203078069U Novel compass |
07/24/2013 | CN203078068U Compass |
07/24/2013 | CN203078067U Compass convenient to use and variable in speed |
07/24/2013 | CN103213428A Multifunctional teaching ruler and compass |
07/17/2013 | CN203063417U Compasses for magnetic blackboard |
07/17/2013 | CN203063416U Triple-purpose compassess |
07/17/2013 | CN103204020A Round ruler |
07/10/2013 | CN203046631U Engineering compass |
07/10/2013 | CN203046630U Compasses for drawing concentric circles |
07/10/2013 | CN203046629U Readable type extensible compass |
07/10/2013 | CN203046628U Box ruler type teaching divider |
07/10/2013 | CN103192632A Double-end pen |
07/03/2013 | CN203032207U Teaching compasses |
07/03/2013 | CN203032206U Compass clamping sleeve with blade |
07/03/2013 | CN203032205U Compass |
07/03/2013 | CN203032204U Teaching compasses |
07/03/2013 | CN203032203U Concentric circle compass |
07/03/2013 | CN203032202U Compasses |
06/2013 | |
06/26/2013 | CN203019912U Simple compass for teachers |
06/26/2013 | CN203019911U Compasses pencil |
06/26/2013 | CN203019910U Multifunctional compass |
06/26/2013 | CN103171333A Multi-functional student stationery |
06/19/2013 | CN203004799U Novel dual-purpose compass for blackboards |
06/19/2013 | CN203004798U Teaching aid-compass |
06/19/2013 | CN203004797U Compass special for picture cutting |
06/19/2013 | CN203004796U Compasses for blackboard mapping |
06/19/2013 | CN203004795U Compass ruler |
06/19/2013 | CN203004794U Mathematics teaching tool |
06/19/2013 | CN203004793U Convenience compasses |
06/19/2013 | CN203004792U Double-drawing-needle compasses |
06/19/2013 | CN203004791U Compasses |
06/19/2013 | CN203004790U Compasses provided with angle fine adjustment screw |
06/19/2013 | CN203004789U Compasses capable of drawing back positioning needle |
06/19/2013 | CN203004788U Compass |
06/19/2013 | CN203004787U Compasses with protective sleeve |
06/19/2013 | CN203004786U Compasses with ruler |
06/19/2013 | CN203004785U Anti-skid compass |
06/19/2013 | CN203004784U Multifunctional compasses |
06/19/2013 | CN203004783U Multifunctional compass |
06/19/2013 | CN203004776U Multifunctional rapid circle drawing ruler |
06/18/2013 | US8464436 Tape measure with utensil holder and tape brake |
06/12/2013 | CN202986529U Portable compass |
06/12/2013 | CN202986528U Compasses preventing hand from being stabbed |
06/12/2013 | CN202986527U Compasses special for finance |
06/12/2013 | CN202986526U Sucker locating type compasses |
06/12/2013 | CN202986525U Compasses with retractable spike |
06/12/2013 | CN202986524U Circular-shaped drawing aid |
06/12/2013 | CN202986523U Multifunctional ruler |
06/12/2013 | CN202986522U Multifunctional ruler |
06/12/2013 | CN202986487U Multifunctional compass pen |
06/12/2013 | CN103144470A Laser positioning compass |
06/11/2013 | US8458916 Straight edge circle tool |
06/05/2013 | CN202976566U A compass pointer |
06/05/2013 | CN202965699U Teaching multi-purpose ruler |
06/05/2013 | CN202965691U Compasses capable of avoiding damaging paper |
06/05/2013 | CN202965690U Safe compasses |
06/05/2013 | CN202965689U Compasses with scales |
06/05/2013 | CN202965688U Mathematics teaching ruler device |
06/05/2013 | CN202965687U Ruler |
06/05/2013 | CN202965685U Math teaching aid |
06/05/2013 | CN103129264A Novel circle drawing scale capable of drawing circle center |
06/05/2013 | CN103129262A Dual-purpose bow compass |
06/05/2013 | CN103129261A Multipurpose compass |
06/05/2013 | CN103129260A Compasses |
06/05/2013 | CN103129259A Sucking disc type multipurpose compass |
05/2013 | |
05/29/2013 | CN202952728U Dual-purpose gauge capable of drawing circle and ellipse |
05/29/2013 | CN202952727U Compasses |
05/29/2013 | CN202952726U Multifunctional compasses |
05/29/2013 | CN103121350A Sucking disc compasses |
05/29/2013 | CN103121342A Double-purpose pen |
05/22/2013 | CN202944074U 圆规笔 Compasses pen |
05/22/2013 | CN103112279A Adjustable bow compass pen |
05/15/2013 | CN202935031U Compasses for white board teaching |
05/15/2013 | CN202935030U Compasses for blackboard |
05/15/2013 | CN202935029U Novel compasses |
05/15/2013 | CN202935027U Multifunctional ruler |
05/15/2013 | CN103101370A Anti-sliding compass |
05/08/2013 | CN202923221U Multifunctional compass |
05/08/2013 | CN202923220U Novel compasses |
05/08/2013 | CN202923219U Compasses |
05/08/2013 | CN103085539A Multi-purpose compass pen |
05/01/2013 | CN202911393U Compasses used for teaching |
05/01/2013 | CN202911392U Teaching-purpose compasses |
05/01/2013 | CN202911391U Compasses for blackboard |
05/01/2013 | CN202911390U Extensible compasses |
05/01/2013 | CN202911389U 圆规 Compasses |
05/01/2013 | CN103072410A Manual type large circle drawing device |
04/2013 | |
04/25/2013 | WO2013059207A1 Stamp system with pivoting stamping jig |
04/25/2013 | US20130102416 Device and method for marking spheres with alignment indicia and the sphere so marked |
04/24/2013 | CN202896066U Multifunctional compasses for mathematical education |
04/24/2013 | CN202896065U Compass with amending function |
04/24/2013 | CN202896064U Multifunctional compass |
04/24/2013 | CN202896063U Compass |
04/24/2013 | CN202896062U Angle staff |
04/24/2013 | CN202896061U Multi-point compass |
04/24/2013 | CN101821114B Compasses including a hinge device and locking structure |