ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,486, issued on April 14, was assigned to Aarlington Industries Inc. (Scranton, Pa.).
"Fire-rate poke-thru assembly for quad receptacle" was invented by Thomas J. Gretz (Delray Beach, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fire-rated poke-thru (FRPT) device for routing power and low voltage through an opening in a concrete floor assembly. The FRPT includes a support plate including an opening configured for mounting of a quad receptacle and cutouts for attachment of a plurality of low voltage keystones. The quad receptacle includes a central body with four corners. The support plate is configured for mounting of a low voltage keystone...