Incidentally, the robotic wheelchair that can climb stairs (the iBot) is now discontinued [1]. Based on the bevy of comments, users are sad to see it go. Also

Incidentally, the robotic wheelchair that can climb stairs (the iBot) is now discontinued [1]. Based on the bevy of comments, users are sad to see it go. Also, I believe Deka (and now J&J) have extensive patents in this space. They should release into the public domain so that others can build on the technology. [1] http://www.hizook.com/blog/2009/02/11/ibot-discontinued-unfortunate-disabled-perhaps-budding-robotics-opportunity http://www.hizook.com/blog/2009/02/11/ibot-discontinued-unfo...