ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,341, issued on Jan. 27, was assigned to Ruphavathy Vishal (India).

"Structure for constructing an improved guide pillar system of a pneumatic vacuum elevator" was invented by Ruphavathy Vishal (Chennai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A structure 10 for constructing an improved guide pillar system of a pneumatic vacuum elevator is provided. The structure includes a column 20. The column includes at least four sides including a first side 40, a second side 50, a third side 60, and a fourth side 70. The structure includes at least one angled section 80 to provide radius edges to the third side. The structure includes at least one ...