WORLDKINGS - Old Events – June 10, 2018 - Laszlo Biro filed for a British patent (No. 564172) on a practical ball point pen with quick-drying ink in 1943
(Worldkings.org) László József Bíró or Ladislao José Biro (29 September 1899 – 24 October 1985) was a Hungarian-Argentine inventor, who patented the first commercially successful modern ballpoint pen. The first ball point pen was invented roughly fifty years earlier by John J. Loud but it did not attain commercial success.