ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,745, issued on July 28.

"Methods and systems for converting office buildings into residential use" was invented by Gal Ehrlich (Tel-Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system for converting an office building into residential use by enhancing water supply and wastewater management capabilities. Vertical water supply lines and vertical wastewater pipes are installed within a pre-existing elevator shaft to increase supply and disposal capacities. Floor-level water distribution systems supply water to residential units from the vertical water supply lines, while floor-level wastewater collectors receive wastewater, ...