ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,022, issued on Sept. 23, was assigned to INSULET Corp. (Acton, Mass.).
"Drug delivery device with indicator" was invented by David Nazzaro (Groveland, Mass.), Ian McLaughlin (Groton, Mass.), Daniel Allis (Boxford, Mass.), Simon Kozin (Lexington, Mass.) and Maureen McCaffrey (Arlington, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for monitoring an operational state and/or a fill status of a drug container of a drug delivery device are provided. The drug container can hold a liquid drug. A plunger can be positioned within the drug container. A drive system can advance the plunger to expel the liquid drug from the containe...