Icehouse patents

Andy Looney wrote this article article explaining his thoughts on his Icehouse-related patents, and how he would enforce them.

Here is the text of U.S. Patent #4,936,585: "Method of Manipulating and Interpreting Playing Pieces", the patent that protects Icehouse. It was issued on June 26, 1990.

Here is the text of U.S. Patent #6,352,262: "Method of Conducting Simultaneous Gameplay using Stackable Game Pieces", the patent that protects IceTowers. It was issued on March 5, 2002.

Irrelevant to Icehouse games is U.S. Patent #6,474,650: "Method of Simulation Time Travel in a Card Game", which protects Chrononauts. It was issued on November 5, 2002.