ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,531, issued on Nov. 18, was assigned to Clearfield Inc. (Minneapolis).

"Adapter dustcap with built-in cleaner" was invented by Cheryl Johnson Beranek (Minnetonka, Minn.), John P. Hill (Oak Grove, Minn.), William J. Cruzen (Monticello, Minn.) and James John Henschel (Chula Vista, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dustcap comprises a body having a cylindrical portion configured to receive a ferrule of an optical fiber connector, and an end portion opposite the cylindrical portion. The end portion includes a receptacle. The dustcap has a built-in cleaner disposed within the receptacle. The dustcap further comprises a removable cov...