ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,636, issued on Jan. 28.
"Multi-purpose acid-etched metallic stamps and dies" was invented by Yong Jia Chen (Dongguan, China) and Earl Brohard (Groveland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A metallic stamp and die for the craft industry comprises a predetermined acid-etched design on a surface of a metallic plate. A first layer of a metallic paint is applied over the front and back surfaces of the metallic stamp and die. A second layer of a rubber paint is applied over the metallic paint. The metallic paint facilitates bonding of the rubber paint to the metallic plate and increases the life of the coating of the rubber paint. The ...