ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,755, issued on March 18, was assigned to SILICONALLY GMBH (Dresden, Germany).

"Ethernet device with safety features at the physical layer and method for a bi-directional data transfer between two ethernet devices" was invented by Benedikt Schonlau (Chemnitz, Germany), Felix Neumarker (Dresden, Germany), Sebastian Hoppner (Dresden, Germany), Markus Winter (Dresden, Germany) and Stephan Hartmann (Coswig, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ethernet device with safety features at the physical layer and a method for a bi-directional data transfer between two ethernet devices, includes at least one of two ethernet devices with safe...