In these inventions, the ink was placed in a thin tube whose end was blocked by a tiny ball, held so that it could
This pen had a small steel ball placed so it could not fall out nor fall in but still rotate freely. This invention was
The ink reservoir is called an ink cartridge. When applied to a writing surface, the ball rotates and is bathed with jus
The first ballpoint pen was invented in 2015, but it wasn't until the 1940s that Laszlo Biro began to develop what w
To get strong ballpoint pens that are a joy to use, it's wise to buy from a trusted in brand. That is the explanatio
The ballpoint pen is equipped with a large-capacity refill in standard size such as is available internationally.