ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,431, issued on Sept. 15.

"Training ground for training teams" was invented by Ilia Olegovich Shushkov (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a training ground for training user teams, the training ground comprising 5 two main sections having a common side; and two additional sections each sharing a common side with one of the main sections, the common side being provided with a passage for moving between the main section and the additional sections, wherein each of the additional sections is provided with an entrance for moving between the additional sections, and the entrance is spaced from the passage, and each main...