ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,987, issued on July 28, was assigned to Neuropro Tehnologies Inc. (Modesto, Calif.).

"Bone fusion system, device and method including a measuring mechanism" was invented by Troy D. Knapp (Glenwood City, Wis.), Gregory C. Stalcup (Fort Wayne, Ind.), Kreigh R. Williams (Fort Wayne, Ind.) and Steven E. Dietzel (Peru, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bone fusion method, system and device for insertion between bones that are to be fused together and/or in place of one or more of the bones, such as, for example, the vertebrae of a spinal column. The bone fusion device comprises one or more extendable tabs having a central rib. The bon...