ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,907, issued on June 23, was assigned to Halliburton Energy Services Inc. (Houston).

"Multilateral milling assembly employing degradable material" was invented by Brian Williams Cho (Spring, Texas) and Jamie Revelle Weber (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a multilateral milling assembly, a well system, and a method. The multilateral milling assembly, in one aspect, includes a multilateral whipstock assembly, the multilateral whipstock assembly having a whipstock body with a whipface and an opening extending therethrough, and a two part milling and running tool coupled to the multilateral whipstock assembly,...