ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,421, issued on Feb. 25.

"Storage system for biological samples in freezing tanks in a liquid/gas nitrogen environment" was invented by Roee Sela (Sal'it, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "The storage system is intended to provide users a device, that may securely hold biological samples within a cell in a space saving storage assembly. It is further an aim of the storage system to enable easy retrieval of the biological samples through a simple two-step retrieval action of the cell. Furthermore, the system includes a compact storage assembly that comprises multiple cells and canisters stacked together having efficient structural ...