ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,698, issued on June 2, was assigned to Ziemer Ophthalmic Systems AG (Port, Switzerland).

"Ophthalmological laser device" was invented by Christian Rathjen (Bremen, Germany) and Michael Steinlechner (Zurich).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmological laser device for treatment of eye tissue is disclosed, comprising a base station having a treatment laser source configured to generate a treatment laser beam, an application head, an arm arranged between the base station and the application head, wherein the arm is configured to provide a beam path for the treatment laser beam, the arm having at least one joint, and a scanner arran...