ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,864, issued on July 1, was assigned to Carl Zeiss Microscopy GmbH (Jena, Germany).

"Apparatus and method for manipulating a focus of excitation light on or in a sample and microscope" was invented by Ivo Vellekoop (Enschede, Netherlands), Tzu-Lun Wang (Duisburg, Germany), Bahareh Mastiani (Hengelo, Netherlands), Kai Wicker (Jena, Germany) and Christoph Husemann (Jena, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method for manipulating a focus of excitation light on or in a sample, particularly in a microscope. The apparatus has a light source for emitting excitation light, an excitation beam path for guiding the excitation...