A robotic vehicle capable of traveling over various terrain and traversing obstacles. In one embodiment, the vehicle includes a cylindrical body having two or more drive wheels coupled to the ends thereof. The wheels are selectively powered to propel the vehicle. The vehicle may further include a spring...http://www.google.de/patents/US6548982?utm_source=gb-gplus-sharePatent US6548982 - Miniature robotic vehicles and methods of controlling same