ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,144, issued on May 20, was assigned to Q.BIG 3D GMBH (Aalen, Germany).

"Apparatus and method for producing three-dimensional objects" was invented by Michael Heel (Aalen, Germany), Dennis Herrmann (Weinstadt, Germany) and Katja Schlichting (Birkenfeld, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus (1) for producing three-dimensional objects (2) from a deformable material (4) has the following features: a housing (3) that has a chamber (21) for receiving the deformable material (4); a feed device (5) for feeding the deformable material (4) into the chamber (21) of the housing (3); a first discharge opening (7) for discharging th...