ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,938, issued on Dec. 2, was assigned to Lam Research Corp. (Fremont, Calif.).

"Variable inductor device comprising first and second planar loops configured to be separable by pivoting about a hinge" was invented by David Michael French (Fort Myers, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a variable inductor device includes a first planar loop comprising a first planar face and a material that supports electromagnetic coupling and a second planar loop comprising a second planar face and a material that supports electromagnetic coupling. The first planar loop is separable from the second planar loop to vary the inductance o...