ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,453, issued on June 23.

"Multi-dose auto-injector for manually dispensing multiple discrete doses of a drug" was invented by Seyeon Park (New York) and Joshua Ashvil (Forest Hills, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A manual multi-dose auto-injector structured to manually dispense multiple discrete doses of a drug is provided with a hollow housing having at least a first housing end and a second housing end. An at least partially compressible vial is disposed in the housing and contains multiple doses of the drug. The vial is in mechanical communication with both housing ends. Each housing end has a needle spring-biasedly disposed i...