December 31, 2018
Patent of the Day: December 31
On December 31, 1935, Charles B. Darrow obtained U.S. Patent No. 2,026,082 on Board Game Apparatus, protecting the game Monopoly.
December 31, 2018
On December 31, 1935, Charles B. Darrow obtained U.S. Patent No. 2,026,082 on Board Game Apparatus, protecting the game Monopoly.