Patents
Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769)
11/2013
11/20/2013CN203293778U English teaching tool
11/20/2013CN203293777U Easy-to-adjust marking device for English teaching
11/20/2013CN203293776U Multifunctional surveying instrument
11/20/2013CN203293774U Novel calibrated scale
11/13/2013CN203282920U Line marking device for lines of English four-line ruled paper
11/13/2013CN203282919U Convenient tool for assisting manufacturing of crane span structure bend
11/13/2013CN203282918U Model sucking disc angle measuring scale
11/13/2013CN203282917U Line drawing tool of blackboard
11/13/2013CN203282916U Mathematics teaching tool
11/13/2013CN103386847A Chalk fixer
11/06/2013CN203267585U Seven-piece picture drawing board for teaching
11/06/2013CN203267584U Pinyin teaching line-drawing device
11/06/2013CN203267583U Four-line three-grid scriber for English teaching
11/06/2013CN203267582U Four-grid scriber for English teaching
11/06/2013CN203267581U Foldable English teaching ruler
11/06/2013CN203267580U Protractor fast and convenient to use
11/06/2013CN203267579U Frame ruler
11/06/2013CN203267578U Multifunctional device for mathematics teaching
11/06/2013CN103381728A Combined type set square
11/06/2013CN103381727A Line drawing device
10/2013
10/30/2013CN203254835U English scriber convenient to carry
10/30/2013CN203254834U Drawing tool for teaching
10/30/2013CN203254833U Multi-functional combined measurement tool
10/30/2013CN103373149A Line ruler
10/30/2013CN103373148A Examination tool set
10/30/2013CN103373147A Target-shaped pattern ruler
10/30/2013CN102529525B Compass
10/29/2013CA2603497C Writing paper
10/23/2013CN203246229U Multifunctional stationery board
10/23/2013CN103358779A Multi-parallel-line synchronous rapid scriber
10/23/2013CN103358778A Blackboard newspaper line drawing ruler
10/23/2013CN103358777A Sliding rule drawing board
10/23/2013CN103358776A Multipurpose triangular rule
10/23/2013CN103358775A Unit angle sectioning box ruler and method for evenly sectioning acute angle
10/22/2013US8561311 Apparatus for measuring and cutting treads
10/16/2013CN203236921U Ruler used for drawing parallelograms
10/16/2013CN203236920U Primary Chinese teaching board device
10/16/2013CN203236919U Mathematical teaching auxiliary drawing rule
10/16/2013CN203236918U Multifunctional physics-teaching ruler
10/16/2013CN203236917U Novel stationery
10/16/2013CN203236916U Plotting instrument
10/16/2013CN203236913U Mathematics teaching ruler
10/16/2013CN203234285U Bookrack for mathematical education
10/16/2013CN103350596A Circular curve line drawing indexing hole distribution scale
10/09/2013CN203228556U English four-line scriber
10/09/2013CN203228555U 几何教学尺 Geometry Teaching feet
10/09/2013CN203228554U 多功能尺 Multifunction foot
10/09/2013CN203228553U Universal ruler and compass
10/09/2013CN203228552U Multifunctional teaching ruler
10/09/2013CN203228549U Dustproof clean blackboard
10/09/2013CN103342073A Multifunctional tooling scale
10/02/2013CN203221789U 多功能量角器 Multifunctional protractor
10/02/2013CN203221788U Multifunctional bevel protractor
10/02/2013CN203221786U Mathematical teaching ruler device
10/02/2013CN103332047A Drawing template with lifting bar
09/2013
09/26/2013US20130247396 Structure marking tool
09/25/2013CN203217267U Double-purpose teaching tool
09/25/2013CN203210957U Mathematics teaching ruler
09/25/2013CN203210956U Line drawing teaching device for English
09/25/2013CN203210955U Multifunctional scribing tool
09/25/2013CN203210954U Scriber for English classroom teaching
09/25/2013CN203210953U Scribing ruler for English teaching
09/25/2013CN203210952U Blackboard for English teaching
09/25/2013CN203210951U Line marking device
09/25/2013CN203210950U Multipurpose protractor
09/25/2013CN203210949U Compass and ellipsograph integrating instrument capable of drawing ellipse
09/25/2013CN203210948U Precise and even dividing device for circular angle
09/25/2013CN203210947U Drawing device for drawing dashed lines
09/25/2013CN203210942U 多功能尺子 Multifunctional ruler
09/25/2013CN203210941U Novel scribing ruler
09/25/2013CN103317916A Mover of compasses
09/25/2013CN103317915A Drawing template with tongue piece
09/25/2013CN103317914A Novel graph imitating instrument mechanism
09/25/2013CN103317913A Triangular plate with lifting rod
09/25/2013CN103317912A Magnetic drawing template
09/25/2013CN103317911A Drawing template with ball rod
09/25/2013CN103317908A Multifunctional safety compasses
09/24/2013US8539689 Guide rail for a hand-held power tool
09/24/2013US8539683 Stamping machine
09/18/2013CN203204886U Multifunctional English teaching device used in institutions of higher learning
09/18/2013CN203198528U Writing grid line scraper for English language teaching
09/18/2013CN203198527U 多功能量角器 Multifunctional protractor
09/18/2013CN203198526U Surveying and mapping engineering ruler
09/18/2013CN203198525U Magnetic attraction teaching combined ruler
09/18/2013CN203198524U Multifunctional mathematical ruler
09/18/2013CN203198523U Multifunctional teaching instrument
09/18/2013CN203198522U 绘图装置 Drawing device
09/18/2013CN203198521U Combined ruler protractor set square
09/18/2013CN203198520U Multifunctional tool for painting and calligraphy
09/18/2013CN103303039A Detachable multifunctional teaching aid
09/18/2013CN103303038A Multifunctional circle drawing teaching aid
09/11/2013CN203192258U Primary mathematics teaching appliance
09/11/2013CN203185938U Triangle drawing teaching aid for math class
09/11/2013CN203185937U Matts teaching board
09/11/2013CN203185936U Protractor
09/11/2013CN203185933U Safe compasses
09/11/2013CN203185931U Multifunctional teaching set square
09/11/2013CN103292656A Slope dimension measuring instrument
09/11/2013CN103287174A Four-line ruler for letter teaching
09/11/2013CN103287173A Drawing device with functions of set square, compass and angle gauge
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