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