ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,390, issued on Feb. 24, was assigned to RELATIVITY ODA LLC (Chicago).

"Systems and methods of previewing a document" was invented by Joseph Keslin (Munster, Ind.) and Karl Knoernschild (La Grange, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for previewing documents associated with a headless object are provided. A client device may generate a primary user interface having a first viewport with a first object focus. In response to a first event, the first object focus may be set to a document model corresponding to the object. The document model may be loaded into a data memory of the client device, and the first object fo...