ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,541, issued on March 18, was assigned to Ascendis Pharma A/S (Hellerup, Denmark).
"Auto injector with variable plunger force" was invented by Henrik Egesborg (Hellerup, Denmark), Steen Jensen (Dragor, Denmark), Martin Norgaard Larsen (Viborg, Denmark), Johnny Elkjaer (Struer, Denmark) and Bjorn Knud Andersen (Struer, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method and an auto-injector for administering a medicament. The auto injector comprising: a housing; a cartridge receiver configured to receive a cartridge comprising a first stopper; a drive module coupled to move a plunger rod between a retracted plunger rod positi...