Question

who invented first refill pen ?​

Answer 1

Answer:

Laszlo Josef Biro

Hope it helps you...

Answer 2

Hey mate....

.

.

Mene toh nhi kia h bt me batai hu kisne kia h....

.

.

Laszlo Josef Biro

John J. Loud invented the first ballpoint pen and patented it. But his pen was not commercially used. A improved version of the pen was made by László Bíró who patented his new design. Hungarian inventor, Laszlo Josef Biro （ or Bíró, László József）was the first commercially successful modern ballpoint pen inventor.

Hope it helpz uh