3 ms·
They also have the exclusive patent for the raised dots being slightly dome/cone shaped so any competitors are doomed to be worse no matter how well made.
by callalex 4y ago
They also have the exclusive patent for the raised dots being slightly dome/cone shaped so any competitors are doomed to be worse no matter how well made.
- Dylan16807 4y ago"The last significant patent for Lego bricks expired in 1978."