ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,570, issued on Nov. 18, was assigned to HIGHLIGHT TECH CORP. (Tainan, Taiwan).
"Electrical discharge machining apparatus" was invented by Chwung-Shan Kou (Tainan, Taiwan) and Wen-Yung Yeh (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical discharge machining apparatus comprises a carrier and an electrical discharge machining (EDM) unit. The carrier is provided with a jig comprising a carrier plate for carrying a to-be-machined object, and the to-be-machined object is defined with a machining target area. The electrical discharge machining (EDM) unit applies a discharge energy to the machining target area through a discharge...