ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,402,701, issued on Sept. 2.
"Push-pull type anti-dropping card package" was invented by Leonid vitalievich Serman (North Highlands, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A push-pull type anti-dropping card package includes a storage shell, a bottom of the storage shell is provided with a base, a card pushing rod is movably arranged on the base, a pushing rod is arranged on a side wall of the storage shell and abuts against one end of the card pushing rod, a pushing block is movably arranged on an upper part of the side wall of the storage shell and connected with a top of the pushing rod, a fastening block is movably arranged on the top ...