US patent of a triangular-framed two-wheeled in-line walker

:confused:
http://www.google.com/patents?id=w-7TAAAAEBAJ&printsec=drawing&zoom=4#v=onepage&q&f=false

“Patents are not necessary”

translate.google.com/translate?h … tik/patent

At first glance strikingly similar, but the fold is not the same … and the most important difference is that it isn’t a bike! Maybe people who use this will get frustrated and switch to the real thing.