Many people believe that Levi Strauss invented the first jeans, but that is not true. The real inventor jeans was Jacob Davis, who was listed as the single inventor in the Levi Strauss’s patent.

Minox is the world’s most famous subminiature camera, which was invented by Walter Zapp and originally manufactured by Valsts elektrotehniskā fabrikaa (VEF) in Riga, Latvia. The Walter Zapp’s invention was protected by more than 80 patents in 24 countries.

Almost everybody knows Rubik’s Cube. It is not only widely recognized as the best puzzle toy ever made, but it is also one of the best-sold toys worldwide. The Rubik’s Cube was patented in Hungary. However Rubik had obtained almost no patent protection abroad.