ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,881, issued on Jan. 20, was assigned to Scholly Fiberoptic GmbH (Denzlingen, Germany).

"Illumination system, associated use, observation system and method for creating an illumination field" was invented by Cyril Autourde (Kunheim, Germany), Julian Nehlich (Freiburg, Germany) and Johannes Bourbon (Freiburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An illumination system (1), especially for medical applications, is provided which, using a light source (20) as a starting point and a beam splitter (11) in a free-beam optical unit, forms two illumination light arms (5a, 5b), by which a respective oblique illumination (25a, 25b), preferably...