ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,708,520, issued on Aug. 18, was assigned to Elevation Spine Inc. (Monterey, Calif.).

"Expandable intervertebral implant" was invented by Erik Emstad (Laurel Springs, N.C.), Andrea Cragen (Austin, Texas), Charles Gilbride (Salinas, Calif.) and Martin Klazmer (Memphis, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, an expandable intervertebral implant may include a superior plate configured to engage a superior vertebra, an inferior plate configured to engage an inferior vertebra, wherein the inferior plate is spaced apart from the superior plate by a gap, one or more first sliders moveable along a first direction to urge linear...