ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,890, issued on March 18, was assigned to Gannett Peak Partners LLC (Spring, Texas).

"Robotic platform for construction" was invented by James Eric Compton (Highlands Ranch, Colo.), Chris Gilman (Highlands Ranch, Colo.) and Casey Roberts (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "System for constructing a building implementing a controller. The system includes a first control arm and a second control arm. The system also includes an extrusion head located on a distal end of the second control arm. The controller is operable to adjust the first control arm to hold a distal end stead within a predetermined window of coordinates. The...