Who invented the BALLPOINT PEN?
a. Biro Brothers
b. Waterman Brothers
c. Bicc Brothers
d. Write Brothers
WHO EVER GET THE ANSWER CORRECTLY, I WILL UPVOTE ON HIS/HER COMMENT
follow us : https://steemit.com/@knowledges
Who invented the BALLPOINT PEN?
a. Biro Brothers
b. Waterman Brothers
c. Bicc Brothers
d. Write Brothers
WHO EVER GET THE ANSWER CORRECTLY, I WILL UPVOTE ON HIS/HER COMMENTfollow us : https://steemit.com/@knowledges
Biro