ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,214, issued on March 17, was assigned to SANOFI (Paris).

"Button and button assembly for a drug delivery device" was invented by Ralph Donald Quentin Collings (Bristol, Great Britain), James Robert Coop (Bristol, Great Britain), James Anthony West (Bristol, Great Britain), Stephen Francis Gilmore (Bristol, Great Britain), Daniel David Higgins (Bristol, Great Britain), Mark Digby Teucher (Bristol, Great Britain), Matthew Meredith Jones (Warwick, Great Britain), Anthony Paul Morris (Warwick, Great Britain), Sophie Sladen (Warwick, Great Britain), William Geoffrey Arthur Marsh (Warwick, Great Britain), Denny Lustosa Horn (Frankfurt am Main, Germany), Stefan Blancke (Frankfurt am Mai...