Beijing, July 2 -- State Intellectual Property Office of China has received Shenzhen Haochong Jewelry Tech Co Ltd patent application for Photoetching Processing Technology for Surface Texture of Gold Ornament. Guo Lichun developed the invention. The patent application number is CN202411351730 20240926. The patent publication ..

Alexandria, July 1 -- Richemont International has submitted a patent application for Deformable Jewelry Item. Moyse Romain and Kielpinski Mathurin developed the invention. The patent application number is US202319121394 20230727. The patent publication number is US20260174200 (A1). International Patent Classification codes ar..