ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,946, issued on March 18, was assigned to Kateeva Inc. (Newark, Calif.).

"Printing system assemblies and methods" was invented by Robert B. Lowrance (San Jose, Calif.), Alexander Sou-Kang Ko (Santa Clara, Calif.), Justin Mauck (Belmont, Calif.), Eliyahu Vronsky (Los Altos, Calif.), Aleksey Khrustalev (Sunnyvale, Calif.), Karl Mathia (Menlo Park, Calif.) and Shandon Alderson (San Carlos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present teachings disclose various embodiments of a printing system for printing substrate, in which the printing system can be housed in a gas enclosure, where the environment within the enclosure can be main...