ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,396, issued on April 7, was assigned to California Institute of Technology (Pasadena, Calif.).

"Ventilation methods and devices for treating respiratory diseases" was invented by Michael R. Johnson (Pasadena, Calif.), Mary M. Easter (Pasadena, Calif.), Patrick Degrosse Jr. (Pasadena, Calif.), Brandon C. Metz (Pasadena, Calif.), George C. Richdale III (Pasadena, Calif.), Ara Kourchians (Pasadena, Calif.), Havard F. Grip (Pasadena, Calif.), Noah T. Fox (Pasadena, Calif.), John Luke Wolff (Pasadena, Calif.), Evan W. Hilgemann (Pasadena, Calif.), Arthur J. Mastropietro (Pasadena, Calif.), Razmig Kandilian (Pasadena, Calif.) and Daniel F. Berisford (Pasadena, Calif.).

According to the...