ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,638, issued on March 25, was assigned to Squirrel Ai Learning Inc. (Bellevue, Wash.).

"Adaptive learning systems utilizing machine learning techniques" was invented by Jiarui Tong (Highland Park, N.J.), Guodong Zhao (Pittsburgh), Jiachen Gong (Pittsburgh), Yuchen Xie (Pittsburgh) and Miaojun Xu (Pittsburgh).

According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with some embodiments of the present disclosure, an apparatus for adaptive learning is provided. The apparatus may include a memory and a processing device. The processing device is configured to receive a user input providing a portion of an annotation to be associated with a practice ...