ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,037, issued on July 14, was assigned to DEMCON BOND 3D B.V. (Enschede, Netherlands).

"Extrusion based additive manufacturing" was invented by Marloes Alexandra Kuiper-Hartman (Enschede, Netherlands), Nienke Koopmans (Enschede, Netherlands), Johannes Franciscus De Vries (Enschede, Netherlands), Cleiton Andre Comelli (Enschede, Netherlands), Oana Roxana Ghita (Enschede, Netherlands) and Richard Paul Davies (Enschede, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An additive manufacturing method in a heatable build room. A semi-crystalline modelling material is deposited through a nozzle on a build base or on a previously deposited slice. ...