11
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
47681
4615
2

jan 1, 1938 - 1938 László József Bíró finalised the design of the pen consisting of thicker ink and a better ball and socket design.

Added to timeline:

5 months ago
0
0
75
Pen

Date:

jan 1, 1938
Now
~ 80 years ago
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