ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,319, issued on March 25, was assigned to GODSMITH SENSOR INC. (Taoyuan, Taiwan).

"Gas sensing device" was invented by Yu-Ren Huang (Taoyuan, Taiwan), Li-Yu Wang (Taoyuan, Taiwan), Ming-Chun Hsiao (Taoyuan, Taiwan), Chun-Han Huang (Taoyuan, Taiwan) and Yu-Da Chiu (Taoyuan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas sensing device for detecting a to-be-detected substance in a respiratory gas exhaled by a user includes a housing permitting entrance of the respiratory gas, and a sensing module disposed in the housing. The sensing module includes a light chamber permitting the respiratory gas to pass therethrough, a light source unit em...