ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,727, issued on Feb. 24, was assigned to Carl Zeiss Industrielle Messtechnik GmbH (Oberkochen, Germany).

"Method and apparatus for additive manufacture of a workpiece" was invented by Michael Totzeck (Schwaebisch Gmuend, Germany), Frank Widulle (Neu-Ulm, Germany), Christian Platt (Ulm, Germany), Beat Marco Mout (Aalen, Germany) and Diana Spengler (Aalen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for additive manufacturing includes obtaining a dataset that defines the workpiece in multiple workpiece layers arranged one on top of the other. A layer stack of multiple workpiece layers is produced based on the dataset. The layer stac...