On October 30, 1888, a patent for a ballpoint pen was granted to John Loud. …
Tag: BallPoint
Event of the Day – September 29 is celebrated as Inventors' Day in Argentina - Birthday of the inventor of the ballpoint pen, László József Bíró
The Inventors’ Day in Argentina has been celebrated since 1986 and is held yearly on September 29, the birthday of the inventor of the ballpoint…