| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 05/13/1986 | US4587742 Scale balancing device in universal parallel ruler device |
| 05/13/1986 | US4587740 Adjustable radial curve radius setting scale |
| 05/13/1986 | CA1204411A1 Instrument for writing or drawing |
| 05/09/1986 | WO1986002579A1 Stencil for digitalised pictures |
| 05/06/1986 | US4587568 Electronic print board |
| 05/06/1986 | US4586265 Perspective drawing apparatus |
| 04/29/1986 | US4584780 Layout template for electrical panel |
| 04/08/1986 | US4580351 Scale balancing device in universal parallel ruler device |
| 04/01/1986 | US4578872 Scale balancing device in universal parallel ruler device |
| 03/25/1986 | US4578685 Pen changeover mechanism for pen recorder |
| 03/25/1986 | US4577982 Recording apparatus |
| 03/25/1986 | US4577409 Pen changing apparatus for plotter |
| 03/18/1986 | US4577206 Pen recording apparatus |
| 03/12/1986 | EP0173815A1 Input device for assisting design on electronically controlled output devices |
| 03/11/1986 | US4574492 Combination layout tool and square |
| 03/05/1986 | EP0173354A1 Drafting apparatus |
| 02/25/1986 | US4573129 Automatic pen-sensor |
| 02/25/1986 | US4571846 Scale balancing device in universal parallel ruler device |
| 02/25/1986 | US4571836 Drafting instrument for tracing ellipses and other curves |
| 02/25/1986 | US4571835 Three-dimensional object |
| 02/12/1986 | CN85201210U Line segement arbitrary equal-dividing instrument |
| 02/04/1986 | CA1200089A1 Drafting machine |
| 01/29/1986 | EP0169381A1 Mechanical perspective drafting device |
| 01/28/1986 | US4567565 Apparatus and method for pen-lift system |
| 01/28/1986 | US4566195 Magnetic drawing toy |
| 01/21/1986 | US4565016 Perspective drafting instrument |
| 01/21/1986 | US4565012 Marking and measuring instrument |
| 01/14/1986 | US4563819 Ellipsograph capable of drawing dotted line |
| 01/07/1986 | US4563154 Tracing stencil tablet |
| 01/02/1986 | EP0166660A1 Writing device for a drawing machine |
| 12/31/1985 | US4561183 Tracing aid for computer graphics |
| 12/24/1985 | US4560996 Pen recorder |
| 12/24/1985 | US4559715 Drafting machine |
| 12/11/1985 | EP0163959A1 Method of automatically aligning sheet material and apparatus for performing the method |
| 12/11/1985 | EP0085065A4 Apparatus for manufacture of indicia bearing elements. |
| 12/04/1985 | EP0162876A1 Drafting or engraving device |
| 11/26/1985 | US4554740 Pantographs |
| 11/21/1985 | EP0161808A1 Drawing board |
| 11/19/1985 | US4553327 Ruler device for use in marking-off |
| 11/05/1985 | US4550503 Toy computer image processor assembly |
| 10/22/1985 | US4547968 Desktop plotter instrument |
| 10/15/1985 | CA1195233A1 Automated sign generator |
| 09/24/1985 | US4543585 Mechanism for driving a pen recorder |
| 09/17/1985 | US4541180 Method for creating and viewing a composite three-dimensional design |
| 09/17/1985 | CA1193433A1 Three-dimensional drawing tool |
| 09/10/1985 | US4540995 Pencil device for plotting machine |
| 09/10/1985 | US4540993 Plotter pen |
| 09/10/1985 | US4539759 Apparatus for use with dry transfer lettering sheets |
| 09/10/1985 | US4539757 Drawing implement |
| 09/03/1985 | US4539574 In a graphics plotter |
| 09/03/1985 | US4538934 Automatic lead advancing mechanism for a mechanical pencil |
| 08/06/1985 | US4533924 Mechanism for selecting pen in an X-Y plotter |
| 08/06/1985 | US4532714 Adjustable radial curve |
| 07/30/1985 | US4531642 Portable desk |
| 07/24/1985 | EP0149216A2 Writing device |
| 07/24/1985 | EP0149037A2 Method of creating drafts with an intelligent drawing-board and drawing-board for applying this method |
| 07/16/1985 | US4528754 Self-propelled drawing device or tracing device |
| 07/16/1985 | CA1190585A1 Layout boards |
| 07/10/1985 | EP0148160A2 Method of and apparatus for producing drawings |
| 07/09/1985 | US4527918 Apparatus for both printing characters and plotting graphs |
| 07/09/1985 | US4527340 Holding and guiding device for traveling-carriage drafting machines |
| 07/09/1985 | CA1190199A1 Pen type multi-color recording device |
| 07/02/1985 | US4527174 Sheet pressing mechanism in a pen type recording device |
| 07/02/1985 | US4527108 Linear actuator with magnets |
| 06/19/1985 | EP0145678A2 Writing or drafting instrument |
| 06/04/1985 | US4520573 Guide rail for a drawing machine carriage |
| 05/28/1985 | US4519138 Automatic drafting device with adjusting aid |
| 05/23/1985 | WO1985002150A1 Drafting or engraving device |
| 05/21/1985 | US4518972 Graphics plotter turret head |
| 05/21/1985 | US4518273 Instrument for writing and drawing with pivotable cover |
| 05/21/1985 | US4518140 Drawing board assembly |
| 05/14/1985 | US4517576 Multi-color pen recording device |
| 05/14/1985 | CA1186892A1 Photoplotter |
| 05/08/1985 | EP0139678A1 A combination layout tool and square |
| 05/07/1985 | US4515493 Portable desk and briefcase |
| 04/30/1985 | US4513511 Layout boards |
| 04/30/1985 | US4513510 Measuring tool |
| 04/23/1985 | US4512642 Automatic focusing apparatus in optical drawing machine |
| 04/23/1985 | US4512079 Automatically controlled instrument system |
| 03/19/1985 | US4505044 Drawing aid with interchangeable insert |
| 03/19/1985 | US4505041 For producing a lined grid on an overlaying drafting sheet |
| 03/12/1985 | US4504838 Multi-color pen recorder |
| 03/05/1985 | US4503441 Method of initializing pen recorder carriage position |
| 03/05/1985 | US4502232 Carpet layer's wave-form template |
| 03/05/1985 | US4502225 Mechanical scriber for semiconductor devices |
| 02/19/1985 | US4500182 Photoplotter |
| 02/12/1985 | CA1182286A1 Apparatus for use with dry transfer lettering sheets |
| 01/29/1985 | US4496958 Drawing pen exchanger for computer controlled drawing machines |
| 01/29/1985 | US4495708 Drawing head for a drawing machine |
| 01/29/1985 | CA1181725A1 Pen type recording device |
| 01/15/1985 | US4493152 Lettering machine |
| 01/08/1985 | US4492031 Vernier device of the digital display type for a universal parallel ruler |
| 01/01/1985 | US4490921 Drafting tool |
| 01/01/1985 | US4490916 Template for scribing polygons |
| 12/18/1984 | US4489333 Device for exchanging objects in particular writing instruments |
| 12/11/1984 | US4486958 Drawing head |
| 12/11/1984 | US4486957 Drawing machine carrriage |
| 12/11/1984 | US4486956 Control device for drawing instruments |
| 12/05/1984 | EP0126742A1 Inking system for producing circuit patterns |
| 11/27/1984 | US4485387 Inking system for producing circuit patterns |