ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,279, issued on Sept. 2, was assigned to WALLENBERG UNION LLC (Newark, Del.).
"Noise-reducing respiratory device" was invented by David Luo (Newark, Del.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A noise-reducing respiratory device configured to improve or treat respiratory system-related disorders such as sleep apnea. The device includes a noise-reducing gas passage located inside a casing of the device, and is connected to the casing. The casing of the respiratory device also has at least one air intake and at least one air outlet. The air intake is configured to receive breathable gas into the chambers of the noise-reducing gas passage. The a...