Step 1 : Introduction to the question "Who invented the modern ballpoint pen?"
...László József Bíró or Ladislao José Biro 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.
Step 2 : Answer to the question "Who invented the modern ballpoint pen?"
Laszlo Biro:
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Step 3 : Disclaimer & Terms of Use regarding the question "Who invented the modern ballpoint pen?"
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