ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,823, issued on May 6.

"Methods, materials and apparatus for mobile additive manufacturing of advanced structures and roadways" was invented by Robert A. Flitsch (Attleboro, Mass.) and Frederick A. Flitsch (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides various aspects for mobile and automated processing utilizing additive manufacturing and the methods for their utilization. In some examples, discrete material formats for use in an Additive Manufacturing Array are disclosed. Methods of using the additive manufacturing robot, discrete materials, and the roadways produced with the additive manufacturing ro...