It was in 1888 by John Loud
laszlo biro invented the ballpoint pen in 1938 !
The ballpoint pen was invented in 1938 by Laszlo Biro.
The ballpoint pen was invented in 1938 by Laszlo Biro.
The first country to invent the ballpoint pen was the United States. John Jacob Loud, an American inventor, is known for designing the first ballpoint pen. However, it did not become a viable commercial endeavor until Biro Pens of Argentina was founded in 1941.
The ballpoint pen was invented by László Bíró, a Hungarian-Argentinian inventor, in 1938. Bíró developed the ballpoint pen as a way to prevent smudging and leaking of ink, revolutionizing writing instruments.
laszlo biro invented the ballpoint pen in 1938 !
The ballpoint pen was invented in 1938 by Laszlo Biro.
The ballpoint pen
John J. Loud is credited for inventing the modern ballpoint pen.
While there were several prior patents launched, the standardised ballpoint pen as you know it was invented by László Bíró. The first patent of the ballpoint pen was John Loud ..1888; 60 years before.
Laszlo Biro
The ballpoint pen was invented in 1938 by Laszlo Biro.
The first country to invent the ballpoint pen was the United States. John Jacob Loud, an American inventor, is known for designing the first ballpoint pen. However, it did not become a viable commercial endeavor until Biro Pens of Argentina was founded in 1941.
He invented the ballpoint pen
quill
Laszlo Biro was the inventor of the modern ballpoint pen.
The Lazlo brothers invented the ballpoint pen.