ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,258, issued on Sept. 9, was assigned to Ciena Corp. (Hanover, Md.).

"Adjustable shelf/slot keying assemblies and methods for telecommunications and networking equipment" was invented by Raymond Quintal (Stittsville, Canada), Simon Shearman (Carleton Place, Canada) and Jacques Cote (Nepean, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A telecommunications and networking equipment housing including: a body defining a slot adapted to receive a shelf; and an adjustable key component coupled to the body and defining a channel adapted to receive a fixed key component coupled to the shelf, wherein the channel is movable between a first location a...