ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,598, issued on Aug. 19, was assigned to Sanofi (Paris).

"Supplementary device for an injection device" was invented by Michael Jugl (Frankfurt am Main, Germany), Gunther Sendatzki (Frankfurt am Main, Germany) and Christian Rehbein (Frankfurt am Main, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A supplementary device for an injection device is disclosed. The injection device has a control dial that is rotatably mounted about an axis at a proximal end of the injection device, and the supplementary device is attachable to the control dial. The supplementary device includes a sleeve adapted to be positioned over the control dial when the supp...