ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,725, issued on March 18, was assigned to SAMTEC INC. (New Albany, Ind.).

"Sealed optical transceiver" was invented by Matthew Brian Puffer (Louisville, Ky.), Raymond Lee (Fremont, Canada), R. Brad Bettman (Santa Clara, Calif.), Edwin Loy (Fremont, Calif.), Dyan Seville-Jones (San Jose, Calif.), Arlon Martin (Santa Barbara, Calif.), Stephen Michael Girlando (Colorado Springs, Colo.) and Christopher Alan Bandfield (Colorado Springs, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This present disclosure seals the light propagation path in an optical interconnection element from external contaminants. The optical interconnection element includes ...