| Patents for B43L 5 - Drawing-boards (479) |
|---|
| 01/25/1995 | CN2188037Y Adjustable electric heating glass sheet |
| 01/18/1995 | CN2187551Y Drawing plate on table |
| 12/14/1994 | CN2185205Y Magnetic drawing board |
| 12/13/1994 | US5371952 Drafting machine |
| 11/30/1994 | CN2183895Y Drawing board with edge slot |
| 11/10/1994 | WO1994025294A1 Transporting and displaying electrostatically adherent film apparatus |
| 09/28/1994 | CN2178185Y Simple drawing-board |
| 09/07/1994 | EP0613848A2 Dispensing assembly |
| 09/06/1994 | US5343625 Portable magnetic drafting board |
| 08/24/1994 | CN2175123Y Drawing ruler and drawing plate |
| 08/17/1994 | CA2115324A1 Dispensing assembly |
| 05/18/1994 | CN2165004Y Multifunctional drawing board |
| 05/10/1994 | US5309788 Tilt coupling |
| 04/27/1994 | CN2163079Y Multifunction mini-size drawing board |
| 04/27/1994 | CN2163078Y Integrated drawing board |
| 03/29/1994 | US5297814 Clipboard for teaching children to write correctly |
| 01/05/1994 | DE4221637A1 Folding stand for flip chart with support panel and lower rim - has operating shaft locking and releasing stops, with release button, press lever, and wedges |
| 12/22/1993 | CN2150064Y Drawing measuring-stand |
| 11/24/1993 | CN2147118Y Drawing plate |
| 08/03/1993 | US5232247 Writing assistance assembly for disabled people |
| 07/13/1993 | US5226215 Clipboard having a variable position clip |
| 06/30/1993 | CN2137205Y Table drawing board |
| 06/16/1993 | EP0546423A1 Writing support |
| 05/05/1993 | CN2131705Y Drawing board |
| 04/14/1993 | CN2129691Y 便携式绘图板 Portable Drawing Board |
| 04/14/1993 | CN2129690Y Portable combined charting board |
| 04/14/1993 | CN2129689Y Drawing and tracing board with light source in it |
| 03/16/1993 | US5193772 Artist's hand and brush guide for adjustable traveling mahl |
| 01/19/1993 | US5180133 Clipboard having a calculator mounted thereon |
| 12/22/1992 | US5173834 Electrostatic attraction apparatus |
| 12/17/1992 | DE4119526A1 HV meandering electrode system for electrostatic holding plates - has tracks formed on board with outer tracks receiving HV to cause electrostatic discharge |
| 11/25/1992 | EP0514425A1 Drawing apparatus |
| 08/26/1992 | CN2113894U Rapid drawing board |
| 07/01/1992 | CN2108630U Drawing-board with graduation |
| 05/27/1992 | CN2105409U Drawing board with meter scale guiding side |
| 05/13/1992 | CN2104134U Pillar drawing device |
| 04/29/1992 | CN2102852U Drawing plate with bedding course |
| 04/16/1992 | CA2045162A1 Clipboard having a variable position clip |
| 04/15/1992 | EP0480124A1 Rechargeable electrostatic supporting board |
| 04/08/1992 | CN2100987U Magnetic coordinate drawing board |
| 03/31/1992 | US5100324 Pre-school stencil kit |
| 03/25/1992 | CN2099679U Electrothermal writing desk-board |
| 03/25/1992 | CN2099678U Coordinate drawing-board special for children |
| 02/11/1992 | US5086565 Technical drawing apparatus |
| 01/08/1992 | CN2092441U Electric-warming writing board |
| 12/25/1991 | CN2091229U Electric heat drafting plate |
| 12/12/1991 | WO1991018751A1 Electrostatically chargeable adhesive plate |
| 11/27/1991 | CN1056461A Magnetic drawing board |
| 11/20/1991 | CN2088940U Multifunction writing practising device for pupil |
| 11/14/1991 | WO1991017058A1 Device in connection with a supporting board, especially for the support of paper sheets or similar |
| 11/06/1991 | CN2088044U Parallel lines drawing board |
| 10/17/1991 | WO1991012143A3 Drawing apparatus |
| 10/16/1991 | CN2086667U Drawing board with electronic auto-regulation of light |
| 08/22/1991 | WO1991012143A2 Drawing apparatus |
| 07/02/1991 | CA1285384C Draughting tables, drawing boards, drawing instruments and analogous apparatus |
| 05/08/1991 | CN2076493U Adjustable drawing-board |
| 05/07/1991 | US5012586 Plotting and drafting apparatus with magnetic guide |
| 04/24/1991 | CN2075596U Rolling type drawing board |
| 04/03/1991 | CN2074240U Electric heating glass top of a desk |
| 04/03/1991 | CN1050355A Composite with magnetic material |
| 01/09/1991 | EP0295267B1 Magnetically oriented draughting instrument |
| 12/12/1990 | EP0401451A1 Electrostatic absorption sheet |
| 11/28/1990 | EP0399963A1 Roller blind for drawing table |
| 11/21/1990 | CN2065986U Pen with pressing watching safety device |
| 11/14/1990 | CN2065567U Dual purpose mechanical part for large plate drawing digitization |
| 10/24/1990 | CN2064307U Electrothermal writing desk surface |
| 09/13/1990 | DE3907176A1 Drawing plate with clamping rail |
| 06/19/1990 | US4934061 Draughting tables, drawing boards, drawing instruments and analogous apparatus |
| 05/01/1990 | US4920895 Drafting device for the convenient containment of eraser shavings |
| 04/25/1990 | EP0364776A2 Drawing device |
| 03/06/1990 | US4905610 Rotable drafting table having rectangular configured drafting surface |
| 01/30/1990 | US4896927 Combination clip-board and case |
| 01/09/1990 | US4892334 Portable clipboard and storage box |
| 12/27/1989 | CN2050009U Paper-movable multi-functional drawing board |
| 08/29/1989 | US4861665 Electrostatic absorption sheet |
| 07/05/1989 | CN2040439U Adjustable writing bookcase |
| 05/17/1989 | CN2037645U Painting jet pen |
| 05/16/1989 | US4830321 Magnetic holder |
| 05/11/1989 | DE3728945A1 Changes in the basic structure of plotters, in this case primarily flat plotters |
| 04/12/1989 | CN2035712U Drawing-board with drawing appliances |
| 04/11/1989 | US4819338 Drawing instruments |
| 03/16/1989 | DE3729629A1 Writing or drawing board |
| 10/25/1988 | US4779543 Rotatable drafting table having rectangular configured drafting surface |
| 10/19/1988 | CN87102330A 画图器 Paint is |
| 10/11/1988 | CA1242879A1 Electronic print board |
| 09/20/1988 | US4771543 Patent-drafting aid |
| 09/01/1988 | DE3705248A1 Clamping apparatus |
| 08/16/1988 | US4763389 Clipboard structure |
| 08/16/1988 | CA1240505A1 Electronic print board |
| 06/28/1988 | CA1238484A1 Writing board |
| 06/14/1988 | US4750657 Body-supported clip-board |
| 06/09/1988 | DE3640495A1 Drawing board |
| 05/19/1988 | DE3728433C1 Drawing board with a clamping rail |
| 05/11/1988 | CN87207221U Flat drawing and correcting board with light underneath |
| 05/04/1988 | CN87214322U 磁性塑料片 Magnetic plastic sheet |
| 04/20/1988 | CN86208812U Quality control chart board |
| 03/29/1988 | US4734242 Methods for producing plastic molded articles |
| 02/24/1988 | CN87203832U 磁性绘图板 Magnetic drawing board |
| 02/17/1988 | CN87208788U Drawing board with magnetic material inside |
| 02/11/1988 | DE3705428C1 Support for writing and drawing |