ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,640, issued on Nov. 4, was assigned to Apple Inc. (Cupertino, Calif.).

"Devices, methods, and graphical user interfaces for displaying shadow and light effects in three-dimensional environments" was invented by Miquel Estany Rodriguez (San Francisco), James M. Dessero (Morgan Hill, Calif.), Benjamin Hylak (San Francisco) and James J. Owen (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer system displays, in a three-dimensional environment, a computer-generated object; detects that a user's attention is directed to the object; and in response, displays a virtual shadow for the object with a first appearance, including displaying...