US Patent Issued to 3D SYSTEMS on June 16 for "Stereolithography apparatus for improving planarity of a transparent sheet" (California Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,395, issued on June 16, was assigned to 3D SYSTEMS INC. (Rock Hill, S.C.).

"Stereolithography apparatus for improving planarity of a transparent sheet" was invented by Nickolas M. Clinton (Carlsbad, Calif.), Charles W. Hull (Santa Clarita, Calif.), Grant Draper (Escondido, Calif.), David Sabo (San Diego) and Samuel David Rohrbach (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A 3D printing system includes a machine chassis, a build vessel, a carriage, an actuator, a build platform, and a light engine. The build vessel is supported by the machine chassis and contains a photocurable liquid. The build vessel includes a downward extending ten...