| Patents for B43L 7 - Straightedges (3,964) | |
|---|---|
| 06/2008 | |
| 06/25/2008 | CN201077277Y Multifunctional lengthened ruler and compass |
| 06/24/2008 | US7389589 Composition transfer proportional drawing grids |
| 06/18/2008 | CN201073876Y Multifunctional teaching ruler |
| 06/18/2008 | CN201073875Y Multipurpose bevel gage |
| 06/18/2008 | CN201073874Y Ruler |
| 06/18/2008 | CN201073873Y Multifunctional rule |
| 06/12/2008 | US20080134532 Triangular rule having magnifying device |
| 06/12/2008 | US20080134531 Compound angle miter gauge |
| 06/12/2008 | US20080134530 Measuring apparatus |
| 06/11/2008 | CN201070933Y Convenient set square |
| 06/11/2008 | CN201070932Y Expansion set square |
| 06/11/2008 | CN201070931Y Multifunctional ruler |
| 06/11/2008 | CN201070929Y Multifunctional combined common ruler for teaching |
| 06/11/2008 | CN201070928Y Automatically positioning folding ruler |
| 06/11/2008 | CN201070927Y Three-square scriber |
| 06/11/2008 | CN201070926Y Commodity plate equipped with rolling wheel stamp |
| 06/11/2008 | CN201070925Y Multifunctional ruler |
| 06/11/2008 | CN100393536C Trisectrix of angle drawing instrument |
| 06/10/2008 | US7383635 Multipurpose drawing tool |
| 06/04/2008 | CN201068042Y Multipurpose teaching aid |
| 06/04/2008 | CN201068040Y Set square for teaching |
| 05/2008 | |
| 05/29/2008 | WO2008064047A1 Mason's adjustable alignment tool |
| 05/29/2008 | US20080120859 Marking Device |
| 05/28/2008 | CN201065012Y Drawing rule set |
| 05/28/2008 | CN201065011Y All-purpose stationery |
| 05/28/2008 | CN201065010Y Multipurpose ruler |
| 05/28/2008 | CN201065009Y Blackboard ruler with magnet |
| 05/21/2008 | CN201061964Y Multifunctional combined teaching aids |
| 05/21/2008 | CN201061963Y Multifunctional combined stationery |
| 05/21/2008 | CN201061962Y Novel geometric figure diagraph |
| 05/21/2008 | CN201061960Y Multipurpose semi-circle instrument |
| 05/20/2008 | US7373732 Attachable guide for a circular saw |
| 05/20/2008 | US7373731 Construction templates and methods of use |
| 05/20/2008 | US7373727 Adjustable angle and miter finder |
| 05/14/2008 | CN101177093A Multifunctional teaching tools |
| 04/2008 | |
| 04/30/2008 | DE202008002820U1 Ordnungs- und Haltevorrichtung für Schulutensilien Ordering and holding device for school supplies |
| 04/30/2008 | CN101168339A Protractor |
| 04/23/2008 | CN201049555Y Hole type geometry graphic and measuring equipment |
| 04/16/2008 | CN201046642Y Antiskid ruler plate |
| 04/16/2008 | CN101163573A Combination level and square |
| 04/03/2008 | US20080078094 Graphing template |
| 04/03/2008 | US20080078093 Connecting structure for T-square |
| 04/03/2008 | US20080078092 Protractor for teaching aid |
| 04/02/2008 | CN201042892Y Multi-functional ruler |
| 04/01/2008 | US7350306 Easy stairs |
| 03/2008 | |
| 03/27/2008 | WO2008035052A1 A measuring device |
| 03/19/2008 | CN201036953Y Magnetic multifunctional triangle convenient used for blackboard |
| 03/18/2008 | US7343688 Versatile adjustable clamp fixture and multiple square tool |
| 03/12/2008 | EP1654094A4 Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool |
| 03/06/2008 | US20080052941 Construction Templates and Methods of Use |
| 03/06/2008 | US20080052938 Construction layout and angle measurement tool |
| 03/05/2008 | CN201030740Y Medical multifunctional measuring rule |
| 03/05/2008 | CN201030739Y Ruler capable of opening envelope |
| 03/04/2008 | US7337550 Combination square |
| 02/2008 | |
| 02/27/2008 | CN201026755Y Multi-functional ruler |
| 02/27/2008 | CN201026754Y Multifunctional teaching appliance |
| 02/27/2008 | CN201026753Y Multifunctional teaching aid |
| 02/27/2008 | CN201026751Y Ruler |
| 02/27/2008 | CN101130327A Multifunctional mathmatical ruler |
| 02/21/2008 | WO2007111870A3 Precision electronic combination square |
| 02/20/2008 | CN201023377Y Blackboard newspaper writing and drawing die board |
| 02/20/2008 | CN201023376Y Laminated multi-function ruler |
| 02/20/2008 | CN101125505A Multifunctional teaching gauge |
| 02/20/2008 | CN100369759C Measuring and marking tool of construction worker |
| 02/14/2008 | US20080034599 Modular Multipurpose Carpenter's Tool |
| 02/13/2008 | CN201021024Y Multifunctional stationary |
| 02/13/2008 | CN201021023Y Compasses ruler |
| 02/13/2008 | CN201021022Y Multi-purpose compasses |
| 02/13/2008 | CN201021020Y Teaching ruler |
| 02/07/2008 | DE102006036119A1 Set square for use during manual drawing of straight line, has parts movable relative to one other such that parts provide breadths in different directions relative to set square, where one of breadths corresponds to one-third of length |
| 02/06/2008 | CN201016672Y Straightedge |
| 02/06/2008 | CN201015936Y Nanometer antimicrobial abrasion-proof triangle |
| 02/06/2008 | CN201015935Y Nanometer antimicrobial abrasion-proof angle protractor |
| 02/06/2008 | CN201015931Y Nanometer antimicrobial abrasion-proof ruler |
| 01/2008 | |
| 01/31/2008 | US20080022541 Proportional ruler |
| 01/30/2008 | CN201012597Y Multi-functional angulometer |
| 01/30/2008 | CN201012596Y Multifunctional graph drawing device |
| 01/30/2008 | CN201012595Y Multifunctional ruler |
| 01/30/2008 | CN201012592Y Multipurpose compass |
| 01/30/2008 | CN201012591Y Multi-function drawing rule for student |
| 01/30/2008 | CN201012590Y Multifunction set square |
| 01/30/2008 | CN201012589Y Multi-functional angulometer |
| 01/30/2008 | CN201012588Y Drawing board for teaching |
| 01/24/2008 | WO2007053238A3 Sliding ruler square |
| 01/23/2008 | CN201009617Y Inter-attracted combined stationery |
| 01/23/2008 | CN201009600Y Multifunctional combined triangle |
| 01/23/2008 | CN201009599Y Folding teaching ruler |
| 01/23/2008 | CN201009598Y Multifunctional combined ruler |
| 01/23/2008 | CN201009594Y Compasses for blackboard |
| 01/23/2008 | CN201009590Y Tool ruler for student |
| 01/23/2008 | CN201009589Y Ruler with ring |
| 01/23/2008 | CN201009588Y Anti-skid fixing ruler |
| 01/10/2008 | US20080005915 Flexible measuring tape |
| 01/09/2008 | CN201002455Y Device for calculating triangle angle |
| 01/09/2008 | CN201002454Y Positioning set square |
| 01/09/2008 | CN201002452Y Multi-functional elliptic plate |
| 01/09/2008 | CN201002449Y Parallel ruler |
| 01/09/2008 | CN201002448Y Adjustable ruler |
| 01/02/2008 | CN200998969Y Digital drafting instrument |
| 01/02/2008 | CN200998968Y New type ruler |