ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,219,074, issued on Feb. 4, was assigned to Apple Inc. (Cupertino, Calif.).
"Collaborative document editing" was invented by Keng Fai Lee (Cupertino, Calif.), Wang Chiu Chan (Tseung Kwan O, China), Charles J. Migos (Millbrae, Calif.) and M. Frank Emanuel (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various features and processes related to document collaboration are disclosed. In some implementations, animations are presented when updating a local document display to reflect changes made to the document at a remote device. In some implementations, a user can selectively highlight changes made by collaborators in a document. In some implem...