ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,219, issued on Feb. 3, was assigned to Moskowitz Family LLC (Rockville, Md.).

"Intervertebral implant and tool assembly" was invented by Ahmnon D. Moskowitz (Rockville, Md.), Pablo A. Valdivia Y. Alvarado (Cambridge, Mass.), Mosheh T. Moskowitz (Rockville, Md.) and Nathan C. Moskowitz (Rockville, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-drilling bone fusion screw apparatus is disclosed which includes at least first and second sliding boxes. A first screw member having a tapered end and a threaded body is disposed within the first sliding box, and a second screw member having a tapered end and a threaded body disposed within the secon...