History of the board game Monopoly game's history, and argued that the copyrights and trademarks held by Parker Brothers should be nullified, as the game came out of the public domain. Among other things, Anspach discovered the empty 1933 Charles B. Darrow file at the United States Copyright Office, testimony from the "Inflation" game case that was settled out of court, and letters from Knapp Electric challenging Parker Brothers over "Monopoly". As the case went to trial in November 1976, Anspach produced testimony by many involved with the early development of the game, including Catherine and Willard Allphin, Dorothea Raiford and Charles Todd. Willard Allphin attempted
Hex (board game) marketed as a board game in Denmark under the name Con-tac-tix, and Parker Brothers marketed a version of it in 1952 called Hex; they are no longer in production. Hex can also be played with paper and pencil on hexagonally ruled graph paper. Hex-related research is current in the areas of topology, graph and matroid theory, combinatorics, game theory and computer heuristics. Hex is a connection game, and can be classified as a Maker-Breaker game, a particular type of positional game. The game can never end in a draw (tie), in other words, Hex is also a "determined game". Hex