Question

Who invented Ball point pen.​

Answer 1

A ballpoint pen, also known as a biro or ball pen, is a pen that dispenses ink (usually in paste form) over a metal ball at its point, i.e. over a "ball point". The metal commonly used is steel, brass, or tungsten carbide. The design was conceived and developed as a cleaner and more reliable alternative to dip pens and fountain pens, and it is now the world's most-used writing instrument;millions are manufactured and sold daily.It has influenced art and graphic design and spawned an artwork genre.

Answer 2

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John J Loud and László Bíró invented Ball point pen.

1st patent of ball point pen was issued on 30 October , 1888.