| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 12/01/2004 | CN2659699Y 量角器 Protractor |
| 11/30/2004 | US6823603 Device for enabling a single user to easily and accurately mark right and oblique angles and method for employing same |
| 11/30/2004 | US6823596 Template and method for trisecting an angle |
| 11/25/2004 | US20040231173 Adjustable ruler guide |
| 11/24/2004 | CN2657948Y Multipurpose chalk clamp for drawing parallel line |
| 11/24/2004 | CN2657947Y Multifunction drawing mould |
| 11/24/2004 | CN2657946Y Protractor |
| 11/23/2004 | US6820342 Adjustable measuring and marking device |
| 11/18/2004 | US20040226182 Device and method for photographic image reduction and size standardization |
| 11/18/2004 | DE10318532A1 Angle divider template for technical manual drawings causes points of intersection for curves and circles to divide any 0-level line circle into equal angles as far as the last curve |
| 11/17/2004 | EP1476318A1 Apparatus for producing a visible line of light on a surface |
| 11/17/2004 | CN2656154Y Multifunctional rotary drawing instrument |
| 11/10/2004 | CN2654371Y Finger-stall writing brush stand |
| 11/09/2004 | US6813839 Cutting system |
| 11/03/2004 | CN2652674Y Multiple type application problem resolving and rule for mathematics in primary school |
| 11/03/2004 | CN2652673Y Three equal angle resolver |
| 11/03/2004 | CN2652672Y Stationery board for calculating time and date |
| 11/02/2004 | US6810591 Drawing aid device |
| 10/27/2004 | EP1470003A2 Device and method for applying patterns and/or labels to a substantially flat surface of an article |
| 10/27/2004 | CN2651005Y Multifunctional wire board |
| 10/20/2004 | CN2649352Y 发光量角器 Luminous protractor |
| 10/19/2004 | US6804890 Scribe and a method of using same to mark a curved surface |
| 10/19/2004 | US6804889 Scribe device |
| 10/13/2004 | CN2647588Y Angle resolver |
| 10/06/2004 | CN2645935Y Multipurpose teaching measuring device |
| 10/06/2004 | CN2645934Y Novel teaching aid |
| 09/30/2004 | US20040187334 Railroad track design template(2) |
| 09/30/2004 | US20040187313 Folding knife light tool |
| 09/22/2004 | CN2642526Y Multi-line scriber |
| 09/16/2004 | US20040177525 Insert template |
| 09/16/2004 | US20040177521 Tool guide |
| 09/15/2004 | EP1456039A1 Embossing system |
| 09/15/2004 | EP1456038A1 Method for controlling writing instruments |
| 09/15/2004 | CN2640767Y 多功能直尺 Multifunctional ruler |
| 09/15/2004 | CN2640766Y Convenient angle gauge |
| 09/10/2004 | WO2004077341A1 A robot |
| 09/10/2004 | WO2004076131A1 A marking robot |
| 09/10/2004 | CA2421958A1 Squaring-up tool |
| 09/09/2004 | US20040174700 Single body multi-tool device |
| 09/09/2004 | US20040172839 Multi-use tool |
| 09/08/2004 | CN2639017Y Grid rule |
| 09/07/2004 | US6785976 Right angle combination square |
| 09/07/2004 | US6785972 Method and system for recording a viewing point |
| 09/02/2004 | US20040172166 Robot |
| 09/01/2004 | CN2637197Y Parallel line-drawing rule |
| 09/01/2004 | CN2637196Y Multipurpose drawing rule |
| 09/01/2004 | CN2637195Y New concept rule and gauge |
| 08/26/2004 | WO2004050169A3 Markers, methods of marking, and marking systems for use in association with images |
| 08/26/2004 | US20040164696 Marking robot |
| 08/25/2004 | CN2635386Y Gauge composite instrument |
| 08/25/2004 | CN2635385Y Multifunctional composite ruler |
| 08/18/2004 | CN2633594Y Novel compasses rule |
| 08/18/2004 | CN2633591Y Plate for drawing picture printing manuscription and lecture notes |
| 08/05/2004 | US20040148794 Cutting system |
| 08/04/2004 | CN2629995Y Multifunctional rule for pupils |
| 08/04/2004 | CN2629994Y Novel-scale-mark rule |
| 08/04/2004 | CN2629993Y Multipurpose teaching aid |
| 08/03/2004 | US6769190 Adjustable viewing frame |
| 07/29/2004 | US20040143983 Pattern-profile measuring device |
| 07/29/2004 | US20040143982 Rolling square |
| 07/29/2004 | US20040143979 Apparatus and methods for measuring the movement of a straightedge to draw lines or cut strips of a flat material |
| 07/28/2004 | CN2628280Y Multifunction drawing appliance |
| 07/21/2004 | CN1513677A Rpi right angle triangle ruler |
| 07/01/2004 | US20040123477 Sidewalk template book |
| 06/30/2004 | CN2621941Y Multifunctional special ruler for blackboard |
| 06/22/2004 | US6751878 Apparatus and method for creating a drawing of a three-dimensional object manually and /or electronically by viewing the object through a transparent window pane and tracing the object on the transparent window pane |
| 06/17/2004 | WO2004050169A2 Markers, methods of marking, and marking systems for use in association with images |
| 06/17/2004 | DE202004004163U1 Template for technical drawing and construction of certain geometrical figures consists of a transparent plastic material, and is a combination of equilateral triangles with progressively increasing side lengths |
| 06/16/2004 | CN2620634Y Adjustable line-distance line-drawing instrument |
| 06/16/2004 | CN2620633Y Multifunctional rule |
| 06/15/2004 | CA2326482C Effector platform for performing actions over vertical surfaces |
| 06/09/2004 | CN2619797Y Gauge for drawing regular polygon |
| 06/03/2004 | US20040103550 Electrical conduit layout template |
| 06/02/2004 | CN2618777Y Straight ruler capable of drawing circle |
| 05/19/2004 | CN2616400Y Multifunctional teaching aid |
| 05/12/2004 | CN2614932Y Line-drawing brush |
| 05/04/2004 | CA2292861C Method for calibration and automatic alignment in friction drive apparatus |
| 04/27/2004 | US6725555 Pivoting rafter square |
| 04/22/2004 | WO2003061986A3 Device and method for applying patterns and/or labels to a substantially flat surface of an article |
| 04/21/2004 | CN2612547Y 多功能尺子 Multifunctional ruler |
| 04/14/2004 | CN2611180Y Draughing board |
| 04/07/2004 | CN2609774Y Multipurpose ruler with rectangular black space |
| 03/31/2004 | CN2608304Y Multifunctional drawing instrument |
| 03/31/2004 | CN2608303Y Rule gauge drawing instrument capable of drawing oval shape |
| 03/24/2004 | CN2607266Y Angle dividing appliance for three evenly dividing arbitrary angle |
| 03/24/2004 | CN2607265Y Multifunctional scale |
| 03/23/2004 | US6709350 Template assembly and method for marking field lines on a football playing surface |
| 03/17/2004 | CN2606683Y Line section equivalent scale |
| 03/17/2004 | CN1482008A Method for trisecting arbitrary angle and the angle resolver |
| 03/04/2004 | US20040043840 Template assembly and method for marking field lines on a football playing surface |
| 03/03/2004 | CN2605555Y Angle bisecting instrument |
| 03/03/2004 | CN2605132Y Two-layer multi-purpose stationery box |
| 02/29/2004 | CA2439016A1 Template assembly and method for marking field lines on a football playing surface |
| 02/24/2004 | US6694628 Cutting machine |
| 02/19/2004 | US20040031161 Drawing aid device |
| 02/19/2004 | DE20316723U1 Magazine ruler is for measuring, tearing, cutting and similar of different materials and involves magazine on ruler to accommodate various tools and auxiliary devices |
| 02/12/2004 | WO2004013690A1 Image transferring apparatus |
| 02/12/2004 | US20040027661 Image transferring apparatus |
| 02/12/2004 | US20040026474 Methods for calibration and automatic alignment in friction drive apparatus |
| 02/04/2004 | CN2601856Y Multipurpose learning tool |