ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,648, issued on Oct. 27.
"3D collection card system" was invented by Hae-Yong Choi (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a 3D collection card system including a book case, a 3D collection card, and a 3D observation device, wherein 3D pictures are configured on both left and right sides of a center line of the 3D collection card, and a fixing means is provided at a lower end thereof, the 3D observation device is provided with a blocking film and a fixing base on which left and right lenses folded to the left and right and 3D cards are mounted in link with a resilient device, each of the 3D ...