Complex sentence: László József Bíró (,; 29 September 1899--24 October 1985) was an inventor of the first commercially successful modern ballpoint pen, unlike the version invented 22 years earlier by John J. Loud in 1888.
Split into simpler sentences: László József Bíró (,; 29 September 1899--24 October 1985) was an inventor of the first commercially successful modern ballpoint pen. An unsuccessful version was invented 22 years earlier by John J. Loud in 1888.