ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,567, issued on Oct. 7, was assigned to Ciena Corp. (Hanover, Md.).

"Front-to-rear airflow assembly for an equipment casing mounted on a rack" was invented by Mitchell O'Leary (Ottawa), Simon J. E. Shearman (Carleton Place, Canada), Daniel Rivaud (Ottawa) and Marc Leclair (Gatineau, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for controlling airflow through a casing or shelf assembly are provided. An apparatus, according to one implementation, includes a mount plate configured to be attached to a side panel of a casing for housing network equipment. For example, the mount plate may include a window. The apparatus also inc...