An exercise device includes a bar, a handle and a seat post pivotally coupled to the front portion, the middle portion and the rear portion of a base. A foot support is disposed on top of the bar. A seat cushion is disposed on top of the seat post for supporting the users. A rod includes a front end...http://www.google.ca/patents/US5507709?utm_source=gb-gplus-sharePatent US5507709 - Rowing exercise device