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
Camelot (board game) considerably more varied than checkers. Parker created a game that was a complex, tactical, but an easily learned and quickly played mixture of Halma and checkers. When finally published by Geo. S. Parker & Co. in 1887, Chivalry won the raves of chess and checkers experts, but the game Parker called "the best game in 2000 years" did not catch on quickly with the general public. However, Parker never lost his enthusiasm for the game, and in 1930 he made a few changes, and Parker Brothers republished it under the name "Camelot". A few more rules changes followed in 1931.