LEGO patent drawing from 1958
The toy world changed on January 28, 1958 at 1:58 p.m. On that day, the modern LEGO brick was patented, and the rest is playtime building history. Did you know that these first sets of LEGOs remain compatible with bricks produced today?
Via Mrs. Easton.
Is it Lego or Legos?
https://simontaylor.wordpress.com/2012/02/20/pointless-linguistic-pedantics/