An adjustable height table having a top that can be vertically adjusted to various heights by a pair of telescoping legs and a counterbalance weight mechanism which includes a weight box and weights that can be easily added or removed by the user depending on the weight carried by the table top. A locking...http://www.google.ca/patents/US5289782?utm_source=gb-gplus-sharePatent US5289782 - Adjustable height table
