ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,864, issued on April 15, was assigned to DUOJECT MEDICAL SYSTEMS INC. (Quebec, Canada).
"Injector" was invented by Simon Hamel (Knowlton, Canada) and Marie Lafontaine Lacasse (Sherbrooke, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An injector comprising an outer housing, a generally longitudinally extending keyway formed in the outer housing, an inner housing located interiorly of the outer housing, a guide member mounted at one end of the inner housing, the guide member having at least one protrusion adapted to engage the keyway, a spring member, the spring member having a first end abutting the outer housing, a second end of the spring m...