A vertically adjustable mobile computer workstation includes a first arm which has an upper end and a lower end. Attached to the upper end of the first arm is at least one platform. A second arm includes an upper end and a lower end. The lower end of the first arm and the upper end of the second arm...http://www.google.co.uk/patents/US6394402?utm_source=gb-gplus-sharePatent US6394402 - Vertically adjustable mobile computer workstation