Patents
Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769)
10/2012
10/24/2012CN202498906U Ruler
10/24/2012CN202498905U Drawing instrument for teaching
10/24/2012CN202498904U Multifunctional plotter
10/24/2012CN202498903U Compass with ruler
10/24/2012CN202498902U Ruler for drawing table
10/24/2012CN202498896U Special drawing ruler for geology
10/17/2012CN202491610U Multifunctional ruler
10/17/2012CN202491609U Fast drawing machine for grids shaped like Chinese character 'tian'
10/17/2012CN202491608U 360-degree protractor
10/17/2012CN202491607U Multipurpose ruler
10/17/2012CN202491606U Writer for blind person
10/17/2012CN202491605U Mathematics drawing device
10/17/2012CN202491604U Painting device for three-center arch
10/17/2012CN202491603U Drawing tool with compasses and ruler
10/17/2012CN202491602U Ruler
10/17/2012CN102729705A Ruling pen gauge
10/17/2012CN102729704A Multi-purpose ruler
10/10/2012CN202485590U Measuring and calculating ruler
10/10/2012CN202480700U English writing gridding device
10/10/2012CN202480699U Standard ruler for English blackboard writing
10/10/2012CN202480698U Multi-functional primary-school mathematic teaching tool
10/10/2012CN202480697U Combined straight rule
10/10/2012CN202480696U Straight scale capable of drawing circle
10/10/2012CN202480695U Drawing ruler for drawing parallel lines in arbitrary direction
10/10/2012CN202480694U Multifunctional ruler for teaching
10/10/2012CN202480693U Multifunctional compass
10/10/2012CN202480692U Multifunctional triangular ruler
10/10/2012CN202480691U Multifunction compasses
10/10/2012CN202480690U Multifunctional rule special for accountant
10/10/2012CN202480689U Ruler device for primary mathematics
10/10/2012CN202480688U Multi-functional ruler
10/10/2012CN202480687U Multifunctional ruler
10/10/2012CN202480686U Drawing ruler for angles
10/10/2012CN202480685U Multifunctional portable white board
10/10/2012CN202480684U Straight ruler casing
10/10/2012CN202480683U Device for trisection of plane angle
10/10/2012CN202480682U Teaching compasses
10/10/2012CN202480676U Scale device for learning primary mathematics
10/10/2012CN202480659U Blackboard for teaching
10/03/2012CN202470983U Multi-angle basic pay-off detection ruler capable of drawing circles
10/03/2012CN202463357U English teaching scriber
10/03/2012CN202463356U Scriber for English teaching
10/03/2012CN202463355U Sliding English line drawing device
10/03/2012CN202463354U Four-line three-grid scriber
10/03/2012CN202463353U Student ruler
10/03/2012CN202463352U Ruler with comb teeth
10/03/2012CN202463351U Multi-angle perspectograph
10/03/2012CN202463350U Multifunctional set square
10/03/2012CN202463349U Combined ruler tool used for making chart in marketing statistical analysis
10/03/2012CN202463348U Scale ruler
10/03/2012CN202463347U Multifunctional rule for drawing
10/03/2012CN202463346U Drawing board for mathematical education in college
10/03/2012CN202463345U Combined angle gauge
10/03/2012CN202463344U Multifunctional teaching aid
10/03/2012CN202463343U Foldable multifunctional surveying and mapping tool
10/03/2012CN202463342U Angular bisector drawing tool
10/03/2012CN202463341U Multifunctional compass
10/03/2012CN202463340U All-purpose geometric drawing board
10/03/2012CN202463325U Drawing rule for mathematics
10/03/2012CN202463320U T-square with adjusting block
10/03/2012CN102700331A Writer for blind person
09/2012
09/27/2012WO2012127319A1 Bevel head for controlling a cutting torch to cut plate with weld preparation
09/26/2012CN202448603U Drawing board device for physics teaching
09/26/2012CN202448602U Parallel line and dotted line ruler
09/26/2012CN202448601U English four-line grid scriber
09/26/2012CN202448600U Multifunctional surveying and drawing tool
09/26/2012CN202448599U Straight line drawing tool for teaching
09/26/2012CN202448598U Drawing board for mathematics teaching
09/26/2012CN202448597U Multifunctional math teaching device
09/26/2012CN202448596U Multifunctional plotter
09/26/2012CN202448595U Combination ruler
09/26/2012CN202448594U Teaching ruler
09/26/2012CN202448592U Multifunctional compasses
09/26/2012CN202448591U Novel compasses
09/26/2012CN202448589U Multifunctional ruler
09/26/2012CN102689552A Drawing tool for sine function
09/25/2012US8272136 Wallboard cutting tool
09/19/2012CN202439450U School-tool plate for primary school math
09/19/2012CN202439449U Rapid marking tool for blackboard-writing
09/19/2012CN202439448U Scriber for English four-line lattices
09/19/2012CN202439447U Standard scriber assisting in English teaching
09/19/2012CN202439446U Blackboard-writing grid-drawing device for Chinese teaching
09/19/2012CN202439445U English-writing plate
09/19/2012CN202439444U Multifunctional protractor
09/19/2012CN202439443U Novel angle gauge
09/19/2012CN202439442U Multifunction drawing rule
09/19/2012CN202439441U Combined ruler
09/19/2012CN202439440U Ruler with compass
09/19/2012CN202439439U Multifunctional mathematics teaching aid
09/19/2012CN202439438U Multifunctional ruler
09/19/2012CN202439437U Multifunctional classifier for angles
09/19/2012CN202439436U Multifunctional mathematic ruler
09/19/2012CN202439435U Multipurpose teaching ruler
09/19/2012CN202439433U Teaching compass
09/19/2012CN202439431U Multifunctional compass for teaching
09/19/2012CN202439426U Foldable ruler
09/19/2012CN202439424U Multifunctional set square
09/19/2012CN202439421U Special ruler for accountant
09/19/2012CN102679828A Novel electronic display protractor
09/19/2012CN102673271A Ruler convenient for drawing a plurality of parallel lines with the same space
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