Patents for B43L 7 - Straightedges (3,964)
05/2006
05/17/2006CN2780499Y Mathmatics, physics, chemistry fast copying instrument for primary and high school
05/17/2006CN2780498Y Multifunction drawing instrument
05/17/2006CN2780496Y Multifunction T-square
05/17/2006CN2780495Y Multifunction T-square
05/16/2006US7045197 Self-measuring roll goods
05/16/2006US7043850 Transparent measuring device with seam allowance guide
05/11/2006US20060096110 Tool for writing straight lines
05/10/2006EP1654094A2 Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool
05/04/2006US20060093790 Self-measuring roll goods
05/04/2006US20060090360 Adjustable multifunction ruler
05/03/2006CN2776698Y Multifunctional rule
05/02/2006US7036952 Single body multi-tool device
04/2006
04/27/2006US20060085993 Folding framing square
04/26/2006CN2774806Y Set-square with compasses function
04/25/2006US7032534 Article for use against backgrounds of various colors and method of manufacture
04/25/2006US7032319 Ruler with anti-slipping member
04/19/2006CN2772834Y Multifunctional ruler
04/06/2006US20060070252 Ruler with rubber/plastic composition
04/05/2006CN2769084Y Multifunction drawing grid scale
04/04/2006US7020978 Adjustable position tool guide
03/2006
03/30/2006WO2006034247A2 Ruler with rubber/plastic composition
03/29/2006CN2767953Y Multipurpose protractor
03/29/2006CN2767190Y Multipurpose ruler
03/22/2006CN2765790Y Multifunctional ruler
03/07/2006US7008076 Folding knife light tool
03/02/2006WO2005051621A3 Method and appatus for scribing tile
03/01/2006CN2761430Y Multifunction rule with compasses
03/01/2006CN2761429Y Ruler
02/2006
02/28/2006US7003891 Compact miter apparatus
02/23/2006US20060037206 Speed level
02/23/2006US20060037205 Laser square protractor kit
02/21/2006US7000329 Transparent measuring device
02/17/2006CA2476289A1 Stairway square
02/16/2006US20060032066 Multifunction measuring square
02/15/2006CN2758094Y New ruler
02/15/2006CN2758093Y Line drawing ruler
02/15/2006CN2758083Y Dotted line pen
02/08/2006CN1240558C Rulers
02/01/2006CN1727207A Teaching instrument for geometry
01/2006
01/18/2006CN2752071Y Multifunction ruler
01/18/2006CN1237322C Measuring and leveling device and method of using same
01/12/2006US20060005412 Applique pattern kit
01/12/2006US20060005408 Multipurpose angle measurement tool
01/04/2006CN1715080A Drawing rule
12/2005
12/27/2005US6978550 Protractor and ruler combination
12/15/2005WO2005103615A3 Structure and method for holding and protecting vials in levels
12/14/2005CN2745757Y Rule with handle
12/14/2005CN2745756Y Convenient drawing rule
12/13/2005US6973736 Tile contour tool
12/13/2005US6973733 Straightedge with handle and level
12/08/2005WO2005103612A3 Impact-absorbing end caps for levels
12/07/2005EP1601927A2 BUILDER’S MEASURING AND MARKING TOOL
12/07/2005CN2744529Y Ruler
11/2005
11/24/2005US20050257391 Apparatus for verifying dimensional relationships
11/24/2005US20050257390 Construction layout and angle measurement tool
11/22/2005US6966119 Three sided adjustable level and assembly
11/17/2005US20050252019 Quilting template
11/15/2005US6964111 Folding drywall square
11/09/2005CN2739010Y Drawing instrument
11/03/2005WO2005103615A2 Structure and method for holding and protecting vials in levels
11/03/2005WO2005103612A2 Impact-absorbing end caps for levels
11/03/2005US20050241508 Guide system for forming ink images
11/02/2005CN2737570Y Multifunction drawing ruler
10/2005
10/27/2005WO2005087512A3 Combination square
10/27/2005US20050235800 Method and apparatus for scribing tile
10/26/2005EP1540268A4 Transparent measuring device
10/26/2005CN2736180Y 多功能格尺 Multifunctional ruler
10/20/2005US20050229417 Impact-absorbing end caps for levels
10/20/2005US20050229416 Structure and method for holding and protecting vials in levels
10/20/2005US20050229414 Impact-absorbing end caps for levels
10/19/2005CN2734506Y T square
10/19/2005CN2734505Y Ruler
10/19/2005CN2734490Y Multifunctional book mark
10/12/2005CN2732498Y Smudge-less flat ruler
10/05/2005CN2730635Y Triangle rule
09/2005
09/29/2005US20050210694 Apparatus for gauging a dimension of an object
09/28/2005CN2728783Y Scale
09/28/2005CN1675074A Transparent measuring device with enhanced visibility lines
09/22/2005WO2005088237A1 Transparent measuring device with seam allowance guide
09/22/2005WO2005087512A2 Combination square
09/21/2005EP1575786A2 Transparent measuring device with enhanced visibility lines
09/21/2005CN2726910Y Electronic dimension scale
09/21/2005CN2726909Y Magnetic ruler for teaching
09/21/2005CN2726908Y Ruler for drawing three-line form for writing English
09/20/2005US6944963 Pattern-profile measuring device
09/15/2005US20050200836 Fishing system
09/15/2005CA2460839A1 Quilting template to provide improvement on quilt making method
09/14/2005CN2725012Y Multifunction bookmark
09/13/2005US6941667 Teaching sin and cosine instrument
09/08/2005US20050193581 Drawing tool
09/07/2005CN2723217Y 伸缩尺规 Retractable Ruler
09/07/2005CN1663817A Coordinate ruler for calligraphy
08/2005
08/30/2005US6935037 Tile contour tool
08/24/2005CN2720395Y 记忆尺 Memory Size
08/18/2005US20050178014 Drywall cutting guide
08/18/2005US20050178013 Transparent measuring device with enhanced visibility lines
08/17/2005EP1564026A2 Drawing instrument
08/11/2005WO2004104323A3 Device and method providing a straight edge along an object
08/10/2005CN2716021Y 画尺 Foot painting
08/10/2005CN2716019Y 多功能尺 Multifunction foot
1 ... 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 ... 40