ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,070, issued on May 20, was assigned to BOE Technology Group Co. Ltd. (Beijing).

"Multi-level menu display method of electronic interactive tablet, and electronic interactive tablet" was invented by Yingjie Li (Beijing), Zhenyan Zhao (Beijing), Pengyu Liu (Beijing), Liping Lei (Beijing) and Jie Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic interactive tablet, a menu display method, and a writing tool attribute control method. When writing configuration needs to be performed when a user is using the electronic interactive tablet for writing, a writing configuration menu having multi-level menu options may be displayed, the...