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