ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,104, issued on Aug. 12, was assigned to QUVE Co. LTD. (Seoul, South Korea).
"3D over-printing device and method" was invented by Jin Soo Kim (Yongin-si, South Korea) and Tae Min Kang (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is a 3D over-printing device for over-printing a 3D shape on an existing structure, the device including: a vat containing a light-curable material; a driving part configured to fix the existing structure and move the existing structure vertically, layer by layer, within the vat; and an optical part comprising a projector and a mirror structure, and configured to photocure an area to be cured...