Patents for B43L 9 - Circular curve-drawing or like instruments (2,793)
01/2014
01/15/2014CN203391528U Multifunctional compasses
01/15/2014CN203391527U Single-strip ellipsograph
01/15/2014CN203391524U Circle-drawing ruler
01/15/2014CN103507508A Radius-self-setting compasses
01/15/2014CN103507504A 多功能直尺 Multifunctional ruler
01/15/2014CN103507493A Pen with compass
01/14/2014US8627768 Ball marking device
01/08/2014CN203381391U Novel ellipsograph
01/08/2014CN203381390U Compass
01/08/2014CN103496270A Multifunctional drawing ruler
01/01/2014EP2679400A1 Drawing compass with secured dry point
01/01/2014CN203371958U Combination of compasses and dividers
12/2013
12/25/2013CN203358134U Compasses
12/11/2013CN203331648U Compass for electric mathematical teaching
12/11/2013CN203331647U Multi-functional measurable compass
11/2013
11/27/2013CN203305732U Multifunctional compasses
11/27/2013CN203305729U Pen cap with circle drawing function
11/27/2013CN203305728U Compass for mathematics teaching
11/27/2013CN203305727U Mathematics teaching plotter
11/27/2013CN203305726U Multifunctional compass levelling instrument
11/27/2013CN203305725U Circle drawing device for mathematical education use
11/27/2013CN103407313A Multifunctional compass
11/20/2013CN203293775U Compasses with pen point being fulcrum
11/06/2013CN203267576U Improved teaching compasses applicable to various blackboards
11/06/2013CN203267575U 多功能圆规 Multifunction compass
11/06/2013CN203267554U Pen with compasses
10/2013
10/30/2013CN102529525B Compass
10/23/2013CN203246228U Ellipsograph
10/23/2013CN203246227U Hygienic, convenient, fast and multifunctional compasses
10/23/2013CN203246226U Novel compasses
10/23/2013CN203246225U A mechanical pencil unit and compasses equipped with the mechanical pencil unit
10/23/2013CN203246224U 组合式圆规 Combined compasses
10/16/2013CN203242198U Multifunctional compass for teaching blackboard
10/16/2013CN203236915U Teaching compasses
10/16/2013CN203236914U Safe compass ruler
10/09/2013CN203228551U Novel compass
10/02/2013CN203221786U Mathematical teaching ruler device
10/02/2013CN103332046A Folding magnetic compasses
09/2013
09/25/2013CN203210946U Multifunctional student stationery
09/25/2013CN203210934U Pen with build-in compasses
09/25/2013CN103317916A Mover of compasses
09/25/2013CN103317909A Rope compasses
09/25/2013CN103317908A Multifunctional safety compasses
09/25/2013CN103317907A Magnetic compass
09/19/2013DE202013103596U1 Zirkeletui Zirkeletui
09/18/2013CN203203491U Measuring tape
09/18/2013CN203198519U Magnetic attraction compasses for teaching
09/18/2013CN203198518U Teaching compasses
09/18/2013CN203198517U Compasses with screwdriver
09/18/2013CN203198516U Novel precise compass
09/18/2013CN203198515U Circle ruler
09/11/2013CN203185935U Ruler with circle drawing function
09/11/2013CN203185934U Multi-functional compasses
09/11/2013CN203185933U Safe compasses
09/11/2013CN103292650A Measuring tape
09/04/2013CN203172290U Multifunctional teaching ruler
09/04/2013CN203172282U Multi-purpose compasses teaching tool
09/04/2013CN203172279U Telescopic compasses
09/04/2013CN203172278U Manual-type large-scale circle drawing device
09/04/2013CN203172277U Safe compasses for infant beginners
09/04/2013CN203172276U Compasses ruler
09/04/2013CN203172275U Straightedge-shaped compasses
09/04/2013CN203172274U Modified compasses
09/04/2013CN203172273U Circle drawing device
09/04/2013CN203172264U Multipurpose ruler
08/2013
08/28/2013CN203157502U Sucker-type compasses for mathematics teaching in universities
08/28/2013CN203157501U Novel compass
08/28/2013CN203157500U Multi-functional compasses
08/28/2013CN203157499U Compass
08/28/2013CN103264597A Compasses convenient to use
08/21/2013CN203142180U Portable teaching compasses
08/21/2013CN203142179U Simple compasses
08/21/2013CN203142178U Compass capable of digitally displaying angle and length
08/21/2013CN203142177U Compass with plate cutting function
08/21/2013CN203142176U Detachable compass
08/21/2013CN203142175U Teaching tool capable of showing definition of circle in process of one-time drawing
08/21/2013CN203142174U Flexible rule
08/21/2013CN103253044A 1-50mm diameter arc quincunx drawing board
08/21/2013CN102390202B Multifunctional divider calipers
08/14/2013CN203126272U Mathematics charting tool
08/14/2013CN203126271U Safe compasses
08/14/2013CN203126270U Multipurpose compasses
08/07/2013CN203110692U Multifunctional math teaching ruler device
08/07/2013CN203110691U Capable-of-grinding-lead compass sleeve with knife
08/07/2013CN203110690U Multifunctional diameter compasses
08/07/2013CN203110689U Compasses for teaching
08/07/2013CN203110688U Novel multifunctional blackboard compass
08/07/2013CN203110687U Compasses combining set square function
08/07/2013CN203110686U Novel compasses
08/07/2013CN203110685U Telescopic multifunctional compasses
08/07/2013CN203110684U Movable compass
08/07/2013CN203110683U Compasses capable of drawing concentric circles
08/07/2013CN203110682U Compass
08/07/2013CN203110673U Multifunctional ruler for teaching
08/07/2013CN103231605A Compasses
07/2013
07/31/2013CN203093515U Multifunctional teaching ruler compass diagram-drawing device
07/31/2013CN203093501U Teaching compasses
07/31/2013CN203093500U Compasses
07/31/2013CN203093448U Multifunctional pen
07/24/2013EP2616249A2 Locking mechanism for drawing compass
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