Wikipedia
AlterG
AlterG, Inc. is an American medical device company founded in 2005 by Sean Whalen in Fremont, California. The company makes mobility enhancement products for physical therapy and athletic training. The first product, the Anti-Gravity Treadmill, now comes in three models, the F320, M320, and P200. In 2013 the company acquired Tibion Corporation and added the Bionic Leg to its list of products. Steve Basta is CEO.