ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,850, issued on June 3, was assigned to CORE RETENTION EQUIPMENT LLC (Denver).

"Method for removing a portion of a structure" was invented by Michael R. Eliash (Huntington, N.Y.) and Marc Vento (Locust Valley, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for removing a portion of a structure is disclosed. The method includes attaching a first elongated member to the portion of the structure, receiving a second elongated member of a drilling assembly with the first elongated member, drilling into the structure with the drilling assembly while receiving the second elongated member with the first elongated member, and removing the portion...