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