| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
|---|
| 03/27/1996 | CN2223200Y Chinese characters spelling board |
| 03/27/1996 | CN1119426A Form plate making apparatus for screen printing |
| 03/21/1996 | DE19532977A1 Übertragungsvorrichtung Transfer device |
| 03/20/1996 | CN2222624Y Writing pose security rest |
| 03/20/1996 | CN2222623Y Writing seat pose monitoring corrector |
| 03/20/1996 | CN2222622Y Support for calligraph |
| 03/14/1996 | DE4432360A1 Stencil for manual production of greeting cards |
| 03/13/1996 | CN2222073Y Multi-purpose geometry drawing instrument |
| 03/13/1996 | CN2222072Y Eyesight protector for reading and writing |
| 03/06/1996 | CN2221500Y Templet |
| 03/06/1996 | CN2221499Y Computer drawing pen sheath |
| 02/28/1996 | CN2220948Y Angle square |
| 02/22/1996 | DE4429041A1 Device for producing computer-aided designs (CAD) or drawings |
| 02/21/1996 | CN2220371Y Multipurpose geometric ruler |
| 02/21/1996 | CN2220370Y Holding supplementary stationary for writing |
| 02/21/1996 | CN2220369Y Standard rule for student writing |
| 02/14/1996 | CN2219796Y Eyesight protector for pupil |
| 02/14/1996 | CN2219793Y Electronic pen with posture-correcting function |
| 02/13/1996 | US5490956 Dispersion in a vinyl chloride-vinyl acetate matrix; capable of reversible change in transparency along with color |
| 02/06/1996 | US5490241 Interactive computer graphics system for making precise drawings |
| 01/31/1996 | CN2218659Y Foldable sitting posture corrector for reading and writing |
| 01/31/1996 | CN2218658Y 圆规 Compasses |
| 01/31/1996 | CN2218657Y Practical protractor |
| 01/24/1996 | CN2218089Y Eye protector |
| 01/24/1996 | CN2218088Y Multifunctional drawing instrument |
| 01/10/1996 | CN2216931Y Structure-improved proportional divider attached to universal ruler |
| 01/10/1996 | CN2216930Y Folding type appliance for geometry drawing |
| 01/03/1996 | EP0689934A1 Form plate making apparatus for screen printing |
| 01/03/1996 | CN2216472Y Straight-line multi-function rapid drawing instrument for education |
| 01/03/1996 | CN2216471Y Multi-purpose drawing rule |
| 01/03/1996 | CN2216470Y Multi-purpose drawing instrument |
| 12/27/1995 | CN2215998Y Post code templet |
| 12/27/1995 | CN2215997Y Multipurpose geometric figure templet |
| 12/27/1995 | CN2215996Y Nearsight-proof reading and writing rest |
| 12/27/1995 | CN2215995Y Drawing instrument |
| 12/26/1995 | US5479585 Method of carrying a sheet member for plotter and device therefor |
| 12/20/1995 | CN2215416Y Drawing instrument for angle three equal divide |
| 12/20/1995 | CN2215415Y Rolling type multi-function set square for teaching |
| 12/20/1995 | CN2215414Y Body position corrector for student reading and writing |
| 12/06/1995 | CN2214302Y Corrector for learning posture |
| 12/06/1995 | CN2214301Y Multipurpose geometric ruler |
| 11/29/1995 | CN2213476Y Vision protector |
| 11/22/1995 | CN2213081Y Arbitrary angle arbitrarily bisector |
| 11/22/1995 | CN2213080Y Drawing-board and straightedge |
| 11/21/1995 | CA2124014A1 Portable device for finding and positioning and storing the vanishing points of perspective drawings |
| 11/15/1995 | EP0660783A4 Trisector. |
| 11/15/1995 | CN2212510Y Combined plotting instrument |
| 11/15/1995 | CN2212509Y Multifunctional drawing rule |
| 11/08/1995 | CN2211920Y Job ruler for armed police staff officer |
| 11/08/1995 | CN2211748Y Body support for preventing pupil from shortisightedness and hunch back |
| 10/25/1995 | CN2210797Y Multi-function drawing ruler |
| 10/18/1995 | CN2210105Y Lightening device for check on paper for writing |
| 10/17/1995 | US5459494 Automatic lead supplying device for a plotter |
| 10/11/1995 | CN2209604Y Correcting pen |
| 10/11/1995 | CN2209603Y Arbitrary angle plate |
| 10/11/1995 | CN1109826A Method for arbitrarily dividing any angle and applied device |
| 10/04/1995 | CN2209052Y Frame for correction of reading and writing attitude, prevention of myopia and protection of vertebra normal dev. for pupil |
| 10/04/1995 | CN2209051Y Combined drawing instrument |
| 10/04/1995 | CN2209050Y 多功能三角板 Multifunctional triangle |
| 09/20/1995 | CN2207946Y Practical universal drawing ruler |
| 09/20/1995 | CN2207945Y Writing posture correcting apparatus |
| 09/20/1995 | CN2207944Y Trisectrix measuring instrument |
| 09/20/1995 | CN2207943Y Parallel-rolling multiangular ruler |
| 09/20/1995 | CN1108601A Copy book made up with unconnected dots to form the shape of character |
| 09/06/1995 | CN2206728Y Exercise paper with concave track |
| 09/05/1995 | CA1336917C Activity entry apparatus for making time entries on pre-established time log forms |
| 08/30/1995 | CN2206214Y Plane geometric figure templet |
| 08/30/1995 | CN2206213Y 滚动平行尺 Scroll parallel ruler |
| 08/30/1995 | CN2206212Y Alarm device for preventing myopia |
| 08/22/1995 | US5443322 Flow control for writing or drawing instrument |
| 08/22/1995 | US5443194 Method of cutting sheet for plotter |
| 08/16/1995 | CN2205317Y Plane geometry pattern templet |
| 08/16/1995 | CN2205316Y Combined pupil health device for reading and writing |
| 08/09/1995 | EP0666465A2 Figure coordinate marking apparatus |
| 08/09/1995 | CN2204727Y Multifunctional rolling drawing instrument |
| 08/09/1995 | CN2204726Y Mini powered infrared instrument wore on ears for preventing myopia |
| 08/09/1995 | CN2204518Y Pencil box |
| 08/05/1995 | CA2138469A1 Figure coordinate marking apparatus |
| 08/02/1995 | EP0621827A4 Dual purpose pen capping system for pen plotters. |
| 08/02/1995 | CN2204242Y Multi-function machine plotting |
| 08/02/1995 | CN2204241Y 十字尺 Cross foot |
| 08/02/1995 | CN2204240Y Multi-function drawing-instrument for teaching |
| 08/01/1995 | US5437727 Apparatus for drawing paste pattern on substrate |
| 07/26/1995 | CN2203932Y Drawing board with no contaminated by ink |
| 07/26/1995 | CN2203931Y Portable guiding rail type multi-purpose drawing instrument for engineering |
| 07/26/1995 | CN2203930Y Multi-function health-care device for reading or writing |
| 07/26/1995 | CN2203929Y Level straight line ruler |
| 07/26/1995 | CN2203928Y Pen sleeve type box for containing revising agent |
| 07/19/1995 | CN2203660Y Combined template |
| 07/12/1995 | CN2203062Y Multifunctional stationery case |
| 07/12/1995 | CN1104961A Anti-shortsightedness health device for pupil reading and writing |
| 07/05/1995 | EP0660783A1 Trisector |
| 07/05/1995 | CN2202649Y Multi-purpose protractor |
| 07/05/1995 | CN1104790A Enlargement of characters by sample function curves |
| 06/28/1995 | CN2202052Y Drawing board with pencil and answering card |
| 06/28/1995 | CN2202051Y Pattern drawer |
| 06/28/1995 | CN2202050Y Drawing machine head |
| 06/28/1995 | CN2202049Y Universal coordinate plate |
| 06/22/1995 | DE4343633A1 Rotational driven gear |
| 06/21/1995 | CN2201261Y French curve |