http://www.bbc.co.uk/news/magazine-23179103 3M sell billions of Post-It Notes each year but its inventors describe themselves as “comfortably off” not wealthy. Inventor Trevor Baylis (Wind-up radio) recently said he can no longer afford to live in his home in Twickenham, London, because despite millions of sales around the globe… Japanese businessman Daisuke Inoue (Karaoke machine)…He didn’t patent his invention …
