First Ballpoint Pen Goes on Sale (1945)
The concept of using a „ball point“ within a writing instrument to apply ink to paper has existed since the late 19th century. In these inventions, the ink was placed…
Schlagwort: pen
The concept of using a „ball point“ within a writing instrument to apply ink to paper has existed since the late 19th century. In these inventions, the ink was placed…