Patents
Sitemap › B43 - Writing or drawing implements; Bureau accessories › B43L - Articles for writing or drawing upon; Accessories for writing or drawing › B43L 7 - Straightedges
Patents for B43L 7 - Straightedges (3,964)
10/2012
10/03/2012CN202463319U Drawing ruler
10/03/2012CN202463318U Multipurpose ruler
10/03/2012CN202463317U Multifunctional scale
10/02/2012US8276285 Notepad accessory for hand tools
09/2012
09/27/2012US20120240419 Razor Blade Tape Measure Multi-tool
09/26/2012CN202448602U Parallel line and dotted line ruler
09/26/2012CN202448589U Multifunctional ruler
09/26/2012CN202448588U Multifunctional ruler
09/26/2012CN202448587U Multifunctional teaching ruler
09/26/2012CN202448586U Triangle with circle drawing function
09/26/2012CN202448585U Set square teaching aid for primary school mathematics
09/26/2012CN202448584U Circle-drawing ruler
09/26/2012CN202448583U Concave ruler
09/26/2012CN202448582U Ruler for convenient use
09/19/2012CN202442662U Square angle gauge
09/19/2012CN202439430U Tool ruler for primary mathematics
09/19/2012CN202439429U Multifunctional ruler
09/19/2012CN202439428U Multifunctional ruler
09/19/2012CN202439427U Multifunctional triangular ruler
09/19/2012CN202439426U Foldable ruler
09/19/2012CN202439425U Compasses ruler
09/19/2012CN202439424U Multifunctional set square
09/19/2012CN202439423U Triangular ruler capable of illuminating
09/19/2012CN202439422U Bridge type drawing ruler
09/19/2012CN202439421U Special ruler for accountant
09/19/2012CN102673271A Ruler convenient for drawing a plurality of parallel lines with the same space
09/19/2012CN102673270A Multifunctional ruler capable of drawing various different figures
09/19/2012CN102673269A Multipurpose ruler
09/19/2012CN102673268A Ruler with salient points on lower surface of ruler
09/19/2012CN102673267A Multifunctional ruler
09/19/2012CN102673266A Novel ruler
09/19/2012CN102673265A Ruler with scales durable and abrasion resistant
09/19/2012CN102673264A Ruler convenient for picking up
09/19/2012CN102673263A Multifunctional ruler for building decoration
09/19/2012CN102673262A Ruler convenient to use
09/19/2012CN102673261A Head-warped ruler
09/19/2012CN102673260A Ruler with correction fluid and eraser using and propelling pencil lead storing capacities
09/19/2012CN102673259A Ruler with functions of ruler and comb
09/19/2012CN102673258A Ruler with temperature measurement function
09/19/2012CN102673257A Arch-bridge-shaped ruler
09/19/2012CN102673256A Novel multifunctional ruler
09/19/2012CN102673255A Ruler with shock sensor
09/19/2012CN102673254A Novel ruler for study
09/19/2012CN102673253A Ruler for learning and engineering drawing
09/19/2012CN102673252A Ruler with low manufacturing cost
09/12/2012CN202428929U Multifunctional folding ruler
09/12/2012CN202428928U Special ruler for accountant
09/11/2012US8261460 Line holders for masonry work and the like
09/11/2012US8261459 Extendable edge reference tool
09/05/2012CN202413142U Dual-purpose straight ruler
09/05/2012CN202413140U Ruler for drawing coordinate axis
09/05/2012CN202413136U Drawing tool
09/05/2012CN202413126U Mathematic drawing device
09/05/2012CN202413125U Foldable straight ruler
09/05/2012CN202413124U Multifunctional teaching ruler
09/05/2012CN202413123U Foldable triangular ruler
09/05/2012CN202413122U Folding ruler
09/05/2012CN202413121U Multifunctional ruler
09/05/2012CN202413120U Convenient ruler with a clock
09/05/2012CN202413119U Set square capable of being used as simple vernier caliper
09/05/2012CN202413118U Multi-functional modular ruler
09/05/2012CN202413117U Multifunctional ruler
09/05/2012CN202413116U Ruler capable of emitting infrared rays
09/05/2012CN202413115U Small-size drawing ruler
09/04/2012US8256125 Sliding square for tape measure
08/2012
08/29/2012CN202399760U Multifunctional ruler
08/29/2012CN202399759U Telescopic ruler
08/29/2012CN202399758U Segment dividing and line drawing ruler
08/28/2012US8250771 Multifunctional ruler and protractor set with ability to form and scale a near infinite number of geometric shapes
08/22/2012CN202393310U Electronic display scale
08/22/2012CN202393309U Novel ruler
08/22/2012CN202389053U Ruler with line drawing pencil
08/22/2012CN202389043U Plastic ruler provided with transparent protective cover
08/16/2012WO2012061119A3 Multifunctional ruler and protractor set with ability to form & scale a near infinite number of geometric shapes
08/16/2012US20120204437 Quilting Template and Ruler
08/15/2012CN202378553U Combined ruler with convenience for use by students
08/15/2012CN202378552U Square master for teaching
08/15/2012CN202378551U Multifunctional ruler
08/15/2012CN202378550U Compass ruler
08/15/2012CN202378549U Ruler
08/15/2012CN202378548U Multifunctional straight rule
08/15/2012CN202378547U Bi-directional ruler
08/08/2012CN202368176U Comprehensive ruler for mathematical education
08/08/2012CN202368175U Lengthening ruler
08/08/2012CN202368174U Ruler
08/08/2012CN202368173U Set square with magnet
08/08/2012CN202368172U Multipurpose ruler
08/08/2012CN202368171U Novel ruler
08/08/2012CN202368111U Memorandum fixing ruler frame
08/02/2012US20120192443 Square root 1-2-3
08/01/2012CN202357728U Plastic flat ruler
08/01/2012CN202357715U Multifunctional deformation teaching ruler
08/01/2012CN202357714U Geometry teaching ruler
08/01/2012CN202357713U Novel ruler
08/01/2012CN202357712U Multifunctional ruler special for finance
08/01/2012CN202357711U Mechanical square
08/01/2012CN202357710U Ruler
08/01/2012CN202357709U Novel multifunctional ruler
08/01/2012CN202357708U Multipurpose ruler
07/2012
07/31/2012US8230611 Straight edge clamping device having connection lock
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