ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,318, issued on July 29, was assigned to Sanofi-Aventis Deutschland GMBH (Frankfurt am Main, Germany).

"Supplemental device for attachment to an injection device" was invented by Martin Haupt (Frankfurt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A supplemental device for attachment to an injection device, the supplemental device comprising: a housing; an electromechanical switch arrangement having an open state and a closed state, the electromechanical switch arrangement comprising a protrusion configured to contact a surface of the injection device while the supplemental device is attached to the injection device; a dose dialled detecto...