ALEXANDRIA, Va., July 3 -- United States Patent no. 12,342,935, issued on July 1, was assigned to NPS Public Seating Corp. (Clifton, N.J.).

"Adjustable aerolift legs" was invented by Alexander Crudo (Hoboken, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable Aerolift leg comprising an outer tube, an inner tube, a lock mechanism and an adjustment rail. The inner tube may slidably fit into the outer tube. The inner tube and outer tube may be a square shape, a triangular shape, a circular shape or an eye shape. The shape of the inner tube may or may not depend on the shape of the outer tube. The lock mechanism may be located at an end of the inner tube, between the outer tube and the inner tube....