This post was published on August 25, 2014.   Last week we discussed the talking walking stick innovation. Today, I am here with another patent, brought to my attention by the reliable, Naveen. Banking on certain patents to navigate your way through the world, is not an uncommon feature in knowledge driven industries and I embark on a mission to learn a few tricks. This patent, filed in 2008, by Universidade Do Porto, Portugal, seems to be an outcome of Academic Research. The Guidance, navigation and…