Obviousness isn't always enough of an excuse to ignore copycats. And let's not forget, this was made obvious after the initial design was created. http://en.wi

Obviousness isn't always enough of an excuse to ignore copycats. And let's not forget, this was made obvious after the initial design was created. http://en.wikipedia.org/wiki/Egg_of_Columbus http://en.wikipedia.org/wiki/Egg_of_Columbus