ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,701, issued on May 27, was assigned to HL MANDO Corp. (Pyeongtaek-si, South Korea).
"Anodizing device" was invented by Hyunsoo Chang (Asan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a anodizing apparatus, including: a base configured to support a target product including a first bore that requires an anodizing surface treatment and a second bore that is connected to the first bore and excluded from the anodizing surface treatment; a working part configured to perform the anodizing surface treatment on the first bore; and a cover part configured to cover an outer surface of the target product, wherein the working part ...