Printing & Publishing
| Mon 30 Mar 2026
Alexandria, March 30 -- U.S. Patent and Trademark Office has released Kocel Intelligent Machinery Anhui Co Ltd patent application for Powder Spreading Device, Three-dimensional (3D) Printing Device, and Production Line. This invention was developed by Peng Fan, Liu Yi, Zhou Zhijun, Ma Rui, Ma Wei, He Jiejun, Sun Guanlin, Li Xiao..