ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,446, issued on April 15, was assigned to R.A. Phillips Industries Inc. (Irvine, Calif.).

"Self-sealing electrical plug-and-socket assembly" was invented by Thomas Dale Peterson (Glendora, Calif.) and Daniel William Forthoffer (Birmingham, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a plug-and-socket assembly including a plug configured to be electrically and mechanically coupled with a socket, and a cover configured to be mounted over a portion of the plug and a portion of the socket, the cover including a flange forming a first opening at a proximal end of the cover and configured to be coupled to the socket, a retaining portion...