| Patents for B43L 3 - Writing or drawing-underlays, e.g. blotting pads (601) |
|---|
| 05/29/1991 | CN2077799U Depictive copy board |
| 04/03/1991 | CN2074240U Electric heating glass top of a desk |
| 03/05/1991 | US4998185 Use by driver in vehicle |
| 03/05/1991 | US4997088 Clip board weather protector |
| 03/01/1991 | CA2023689A1 Multi-purpose navigation board |
| 02/19/1991 | US4993785 Writing support |
| 12/19/1990 | EP0403036A1 Notepad holder for automobiles |
| 11/06/1990 | US4969068 Device for writing in the dark |
| 10/24/1990 | CN2064307U Electrothermal writing desk surface |
| 10/17/1990 | CN2063885U Special pen wiper for ink bottle |
| 10/16/1990 | US4963693 Purge enclosure for electrical equipment in hazardous location |
| 10/16/1990 | US4962874 Notepad holder for automobiles |
| 10/12/1990 | CA2014414A1 Notepad holder for automobiles |
| 08/29/1990 | EP0384855A1 Support for shopping list, attachable to the locking device of a shopping cart |
| 08/01/1990 | EP0380429A1 Writing support |
| 07/24/1990 | US4942683 Shirt lettering and illustrating form |
| 07/04/1990 | CN2058883U Sight protective writing board |
| 07/03/1990 | US4938439 Automobile armrest/tray accessory |
| 06/29/1990 | CA2006264A1 Sports board |
| 06/06/1990 | CN2057893U Ruled writing board |
| 05/29/1990 | US4929110 Sports board |
| 04/24/1990 | US4919037 Clipboard ballistic shield |
| 03/13/1990 | US4908742 Portable desk unit |
| 02/28/1990 | CN2053574U Bag shaped bed piece |
| 02/27/1990 | US4903932 Clip board |
| 01/30/1990 | US4896927 Combination clip-board and case |
| 01/24/1990 | CN2051569U Reading and writing working table for guarding against myopia and hunchback |
| 01/09/1990 | US4892334 Portable clipboard and storage box |
| 11/15/1989 | CN2047633U Copying tablet for writing |
| 09/27/1989 | CN2044935U Film-type copy exercise book |
| 09/20/1989 | CN2044551U Multifunctional combined stationery plate |
| 07/18/1989 | CA1257622A1 Notepaper dispensing tray |
| 07/04/1989 | US4844644 Calendar pad stand |
| 06/29/1989 | WO1989005734A1 Work surface information display pad |
| 06/27/1989 | US4842235 Automobile clip board and light unit |
| 05/23/1989 | US4832369 Wind resistant clipboard/padholder |
| 05/18/1989 | DE3805336C1 Supporting strip |
| 04/25/1989 | US4824140 Wrist note pad |
| 03/28/1989 | US4815623 Bean-bag supported lap tray |
| 02/22/1989 | EP0303745A1 A bean-bag supported lap tray |
| 01/17/1989 | CA1248926A1 Portable register |
| 10/05/1988 | EP0284864A1 Blotting pad |
| 06/28/1988 | CA1238484A1 Writing board |
| 06/14/1988 | US4751620 Nite writer pad |
| 06/14/1988 | US4751615 Page light |
| 06/14/1988 | US4750657 Body-supported clip-board |
| 04/26/1988 | US4739541 Clipboard mounted retainer for writing instruments and the like |
| 04/05/1988 | US4735150 Inclined desk top and work organizer |
| 03/29/1988 | US4734242 Methods for producing plastic molded articles |
| 02/23/1988 | US4726607 Clipboard for an automobile steering wheel |
| 02/16/1988 | US4725761 Electroluminescent sheet assembly |
| 02/11/1988 | DE3625501A1 2-component drawing board light system |
| 11/19/1987 | EP0246006A2 Lap-oriented portable desk units |
| 10/20/1987 | US4700634 Lap-oriented portable desk units |
| 10/14/1987 | CN87200226U Electrically-heated desk mat made of fire retardant plastic mambrance |
| 06/24/1987 | CN86209374U Reading and writing instrument for preventing three kinds of diseases |
| 05/19/1987 | US4665620 Combined tape measure and clipboard |
| 04/01/1987 | EP0216715A1 Lecture table |
| 02/18/1987 | CN86202492U Electric warming writing desk |
| 12/16/1986 | US4628572 Clip structure |
| 11/26/1986 | CN85205866U Dual-purpose plate for writing and warming |
| 09/17/1986 | CN86200774U Electrothermal writing board |
| 09/03/1986 | CN86200224U Multipurpose writing pad |
| 08/13/1986 | CN85204441U Multipurpose writting auxiliary board |
| 08/12/1986 | US4605246 Writing board |
| 08/06/1986 | EP0189685A1 Autographic register |
| 08/05/1986 | US4603883 Paper sheet carrying board provided with clip and closable seat for containing writing articles |
| 07/02/1986 | EP0186082A1 Writing underlay |
| 05/12/1986 | EP0168434A4 Writing board. |
| 02/26/1986 | EP0172662A1 Notepaper dispensing tray |
| 01/22/1986 | EP0168434A1 Writing board |
| 01/14/1986 | US4564887 Lighted notepaper tray |
| 08/13/1985 | CA1191662A1 Composition containing a scouring base and intended for cleaning hard surfaces |
| 07/04/1985 | WO1985002817A1 Writing board |
| 04/23/1985 | US4513046 Antistatic support |
| 02/26/1985 | US4501438 Clipboard |
| 01/29/1985 | US4496058 Shopping organizer |
| 06/12/1984 | US4453788 Portable desk |
| 05/29/1984 | US4451519 Drawing material backing for making technical and diagrammatic drawings |
| 05/01/1984 | US4445728 All weather clipboard |
| 03/27/1984 | CA1164352A1 Tray for removable mounting on a steering wheel |
| 07/06/1983 | EP0082912A1 Drawing pad for sketching technical and schematic drawings |
| 03/08/1983 | US4375881 Portable desk for use with automobile steering wheel |
| 03/01/1983 | US4375296 Clipboard |
| 12/29/1982 | EP0067829A1 Antistatic desk pad |
| 12/01/1982 | EP0065776A1 Clip board |
| 10/19/1982 | US4354601 Trays for credit card transactions and the like |
| 08/25/1982 | EP0058633A1 Composition containing an abrasive substrate for the cleaning of hard surfaces |
| 07/08/1982 | WO1982002315A1 Antistatic desk pad |
| 06/30/1982 | EP0055246A1 Antistatic underlay |
| 09/29/1981 | US4292352 Lightweight but strong border |
| 10/07/1980 | CA1087056A1 Vehicular desk unit |
| 03/11/1980 | US4192494 Cutter mat and method of making same |
| 05/08/1979 | US4153927 Multi-function clipboard apparatus |
| 02/13/1979 | US4139217 Vehicular desk unit |
| 02/21/1978 | US4075467 Illuminated drafting instrument |
| 04/12/1977 | US4016664 Pocket holder for interchangeable worksheets |
| 08/31/1976 | US3978340 Luminescent backing sheet for reading and writing in the dark |
| 04/27/1976 | US3952988 Steering wheel mounted desk board |
| 04/06/1976 | US3947926 Weather board recorder |