Today I saw in an old video on youtube a picture of a Palatino Upright. http://www.youtube.com/watch?v=yKnSZFYjQIQ&t=1m52s.

It looks exactly like a Sauter Rondo.
http://www.sauter-pianos.de/english/pianos_maly_edition/rondo.html

Does someone know how they are related? I am just curious.