Patents
Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769)
11/1994
11/10/1994WO1994025929A1 A method and device for multipencil interactive computer graphical design
11/10/1994WO1994025230A1 Double-sided miter box for machine-tools, in particular panel saws
11/09/1994CN2182078Y Vernier scale for enlarging or diminishing
11/09/1994CN2182077Y Design follow board gear-laying slot
11/09/1994CN2182076Y Double-function preventive instrument for myopia
11/09/1994CN1094829A Multi-pen interactive computer graph design method and apparatus
11/08/1994US5363129 Printing media feed and retaining apparatus for a thermal ink jet printer/plotter
11/08/1994US5363123 Cutter drive for a computer driven printer/plotter
11/02/1994EP0622239A2 Multiple ink jet print cartridge alignment method
11/02/1994EP0621827A1 Dual purpose pen capping system for pen plotters
11/02/1994CN2181411Y Multifunctional drawing instrument
11/02/1994CN2181410Y Seating pose correction rest
11/02/1994CN2181409Y Multifunctional drawing instrument
11/02/1994CN2181211Y Multipurpose learning rack
10/1994
10/26/1994CN2180484Y Rubber concative penmanship exercising table pad
10/26/1994CN2180483Y Prevention and correction writing and reading apparatus for simple nearsight
10/20/1994DE4313180A1 Writing or drawing instrument
10/19/1994CN2179831Y Writing posture corrector mounted on pen
10/12/1994EP0619040A1 Support for the arms and hands of a user of a keyboard, drawing, knitting instrument or apparatus
10/12/1994CN2179275Y 3-D geometric drawing board for student in senior middle school
10/12/1994CN2179274Y Myopia and hunchback preventing instrument
10/11/1994US5355157 Plotter with pencil-lead detecting system
10/05/1994CN2178639Y Anti-myopia reading and writing stand
10/05/1994CN2178637Y Combined trianglar rule with multi-angle
10/05/1994CN2178636Y Multifunction rule
10/04/1994US5352051 For a plotter
09/1994
09/29/1994WO1994021463A1 Form plate making apparatus for screen printing
09/28/1994CN2178188Y Multipurpose mathematical drawing board for middle school
09/28/1994CN2178187Y Cave board for writting
09/28/1994CN2178186Y Medical drawing instrument
09/27/1994US5351072 Automatic lead supply apparatus for plotter
09/21/1994CN2177606Y Efficient character-correcting pen
09/21/1994CN2177605Y Finger-protecting pen holder
09/21/1994CN2177604Y Pen stand for drawing instrument
09/21/1994CN2177383Y Health device for pupils
09/21/1994CN1092531A Pattern making equipment
09/20/1994US5347724 For aligning with and marking materials to be cropped
09/14/1994CN2176914Y Writing mould board
09/14/1994CN2176913Y Head of guide drawing machine
09/14/1994CN2176912Y Multiple indexing instrument
09/14/1994CN2176911Y Writing training board
09/07/1994CN2176261Y Multifunctional fast drawing instrument
09/07/1994CN2176260Y Pen sheath for health-care
08/1994
08/31/1994CN2175693Y Foldable anti-shortsightedness health rack for reading and writing
08/31/1994CN2175692Y Drawing instrument
08/31/1994CN2175690Y Finger cleaning pen holder
08/30/1994US5342133 Paper moving system for a printer/plotter
08/24/1994CN2175121Y Multi-purpose chemical graphic board
08/24/1994CN2175120Y Plate for exercising writing characters with rigid pen
08/24/1994CN2175119Y Correction plate for children's drawing
08/24/1994CN2175118Y Apparatus for correcting sitting posture when writing or reading
08/24/1994CN2175117Y Ruler with function for calculating angles and sides of triangle
08/24/1994CN2175113Y Folding multi-function ruler for drawing
08/24/1994CN1091085A Multifunctional intelligence increasing healthful magic board
08/17/1994CN2174343Y Standard two-purpose template for examination
08/17/1994CN2174342Y Perspective template
08/17/1994CN2174341Y Multi-function guide way fast drawing machine
08/16/1994US5337484 Scriptwriting guidance device
08/11/1994DE4323225C1 Drawing instrument
08/10/1994CN2173710Y Myopia prevention writing board
08/09/1994US5336007 Plotter pen with indicator circuit
08/09/1994CA1331261C Treating workpieces
08/03/1994CN2173171Y Drawing template
08/03/1994CN2173047Y Hair pin type anti-nearsight apparatus
08/02/1994US5333389 Letter guide apparatus
08/02/1994US5333387 Color drawing toy
08/02/1994CA2044152C Three-dimensional drawing device
07/1994
07/27/1994CN2172722Y Appliance for correcting sitting posture and vision of student
07/26/1994US5333006 Lead loader mechanism for a pencil plotter
07/26/1994US5331744 Marker apparatus
07/13/1994CN2171502Y Copy card for pen writing
07/13/1994CN2171501Y Practising writing and drawing picture mould with pen and with displaying sound
07/13/1994CN2171500Y Reading and writing apparatus for pupil with correction posture
07/13/1994CN2171499Y Point indication instrument for moving average line
07/13/1994CN2171252Y Multifunction health reading stand
07/06/1994CN2170856Y Preventive myopia device for students
07/06/1994CN2170654Y Curved rule for drawing purpose in garment cutting
07/05/1994US5327168 Rolled sheet conveying apparatus of plotter and rolled sheet conveying route control method.
06/1994
06/29/1994EP0603572A1 Support for applying a code to a pane of glass for security-coding vehicles
06/29/1994EP0603505A1 Paper moving system for a printer/plotter
06/29/1994CN2170217Y Health care apparatus for eyesight
06/22/1994CN2169554Y Eye protector for reading and writing
06/22/1994CN2169553Y 多功能尺 Multifunction foot
06/22/1994CN2169552Y Sight protective device
06/22/1994CN2169304Y Sight health stationery box
06/21/1994US5321892 Automatic paper-cutting device in plotter
06/21/1994US5321891 For producing lines on a screen
06/15/1994EP0600907A1 Plotter
06/15/1994CN2168731Y Simple device against myopia
06/15/1994CN2168730Y Multifunctional assembled teaching instruments
06/15/1994CN2168728Y Drawing head
06/14/1994US5319859 Tuck and point template for making shark's teeth
06/08/1994CN2167859Y Calculating and drawing plate for infant
06/08/1994CN2167858Y Multi-function drawing ruler
06/08/1994CN1087584A Adjustable distance control stand for writing
06/01/1994CN2166977Y Simple drawing device
06/01/1994CN2166976Y Multi-purpose compass for drawing for teacher use
06/01/1994CN2166975Y Device for drawing check for children writing use
05/1994
05/25/1994CN2166019Y Universal traffic graphic mother panel
05/25/1994CN2166018Y Follow board for practicing writing
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