ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,552, issued on July 21, was assigned to Samsung Display Co. Ltd. (Yongin-si, South Korea).
"Trays and tray stacks" was invented by Hong Ju Kim (Yongin-si, South Korea), Young Ji Kim (Yongin-si, South Korea), Sol Yp Lee (Yongin-si, South Korea) and Hyun Gyu Lee (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tray system and a tray stack system. The tray system may include a tray that may include a tray body portion, a loading portion formed in the tray body portion and accommodating an object, a stopper formed in the loading portion and located on a side of the object accommodated in the loading portion, and a stepped portion...