ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,815, issued on July 21, was assigned to Manta MedTech LLC.

"System for drug delivery" was invented by Raju S. Dave (Gaithersburg, Md.), Xing Su (Santa Clara, Calif.), Himanshu Verma (McLean, Va.), Ashish Shah (East Amherst, N.Y.) and Kenta Alten (Los Altos Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments relate to systems comprising Active Wearable Medical Device (AWMD) with an osmotic chamber containing or configured to receive an osmotic agent, a permeability module for fluid ingress, and a drug chamber holding a drug. A compressible piston, positioned between the chambers, moves longitudinally as a whole during operation. ...