ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,043, issued on June 24, was assigned to MANSANG KOREA Co. LTD. (Seoul, South Korea).
"Cup lid capable of keeping beverage concentration constant" was invented by Mansang Yun (Gwacheon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cup lid of a beverage cup for holding a beverage, according to the present invention, comprises: a body portion which can be combined with a cup so as to cover the upper portion of the beverage cup; and a receptor portion which is formed to face at least a partial surface of the body portion at the lower side of the body portion and has at least a portion of the end thereof connected to the body portion t...