| Patents for B43K 5 - Pens with ink reservoirs in holders, e.g. fountain-pens (4,639) |
|---|
| 12/22/1981 | US4306818 Animal figure writing or coloring utensil |
| 11/24/1981 | US4302121 Ball-point pen having three sides and complementary cap |
| 10/21/1981 | EP0037825A1 Fluid recipient. |
| 09/15/1981 | CA1109023A1 Conical pen |
| 05/26/1981 | US4269528 Fountain pen with specific tubular nib |
| 04/30/1981 | WO1981001129A1 Fluid recipient |
| 03/24/1981 | US4257713 Conical pen |
| 01/07/1981 | EP0020485A1 Pen with an improved ink injection system |
| 01/06/1981 | US4243337 Fountain pen with ink refill carrier |
| 09/23/1980 | US4224000 Tubular drafting pen with improved writing point assembly |
| 09/17/1980 | EP0015784A1 Fountain pen |
| 09/17/1980 | EP0015310A1 Ink cartridge fountain-pen |
| 09/09/1980 | US4221496 Writing fluid cartridge |
| 08/12/1980 | US4217058 Reservoir cartridge for writing pens |
| 05/01/1980 | WO1980000819A1 Pen with an improved ink injection system |
| 04/22/1980 | CA1076066A1 Writing pen having finned collector including a weir |
| 04/03/1980 | WO1980000557A1 Writing implement |
| 03/04/1980 | CA1072917A1 Pen with color impregnated nib and solvent absorptive plug |
| 10/30/1979 | US4172674 Writing instrument |
| 06/12/1979 | US4157874 Dye marking device |
| 04/17/1979 | CA1052735A1 Fountain pen having selective line widths |
| 04/03/1979 | CA1051826A1 Felt tip pen with valve and flexible bellows |
| 01/23/1979 | CA1046747A1 Cartridge making method |
| 10/24/1978 | CA1041044A1 Fountain pen cartridge replacement device |
| 08/01/1978 | US4103999 Rupturable sealing element within an ink reservoir cartridge |
| 01/17/1978 | US4069091 Cartridge making apparatus |
| 12/13/1977 | US4062669 N-Organo-N-phosphonomethylglycine-N-oxides and plant growth regulant and phytotoxicant compositions containing same |
| 08/23/1977 | US4043681 Writing instrument |
| 08/09/1977 | US4040753 Applicator instrument |
| 04/12/1977 | US4017870 Truncated ball pen |
| 10/12/1976 | US3985457 Writing implement having a replaceable refill |
| 10/12/1976 | US3985456 Calligraphic device for artists or the like |
| 08/03/1976 | US3972629 Marking devices |
| 05/18/1976 | US3957379 Fountain pen |
| 05/11/1976 | US3955894 Tubular writing pen |
| 04/20/1976 | US3951555 Modular writing pen |
| 04/13/1976 | US3950762 Drawing method and drawing instrument |
| 03/30/1976 | US3947136 Pressure control means for fluid applicator |
| 02/17/1976 | US3938899 Stylograph |