ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,112, issued on March 18, was assigned to GOODRICH Corp. (Charlotte, N.C.).

"3D printed bushing with printed grease passages and lube fittings incorporated" was invented by James Keith Williamson (Fairview Park, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bushing for use in an aircraft includes a hollow cylindrical shaft having a first end and a second end opposite the first end, a radially outwardly extending flange disposed at the first end of the hollow cylindrical shaft, an entry way disposed along the radially outwardly extending flange, and a lubrication passageway fluidly coupled to the entry way. The lubrication passageway extends ...