[[Stylomine]] is one of the oldest French producers, which is highlighted in the fountain pen history for the unique filling system (which, by the shape of the sac, is called [[accordion filler]]) which distinguished his pens, and that after the relevant patent expiration was adopted by many other French producers. | [[Stylomine]] is one of the oldest French producers, which is highlighted in the fountain pen history for the unique filling system (which, by the shape of the sac, is called [[accordion filler]]) which distinguished his pens, and that after the relevant patent expiration was adopted by many other French producers. |