ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,494, issued on Feb. 24, was assigned to VELOJECT LLC (San Francisco).
"Injection device" was invented by Robert E. Mayle Jr. (Kentfield, Calif.), Erik J. Shahoian (Sonoma, Calif.), Terrence C. Smith (Portland, Ore.) and Alexander Jasso (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses and methods for delivering a fluid, including a viscous fluid. These apparatuses may include a fluid reservoir, two or more piston chambers, a manifold, a delivery port, and a drive assembly and may be configured to inject either a predetermined amount of fluid or a continuous stream of fluid. These apparatuses may also be configured to switch ...