ALEXANDRIA, Va., May 19 -- United States Patent no. 12,628,748, issued on May 19, was assigned to COCOGREEN (UK) LTD (Greater Manchester, Great Britain).

"Growing medium" was invented by Bomirige Sudesh Sanjeeva Fernando (Greater Manchester, Great Britain) and Thomas William Ogden (Greater Manchester, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a growing medium comprises accumulating a particulate material. The particulate material comprises particles having a range of particle sizes. The method further comprises agitating the particulate material which causes smaller particles of particulate material to sink to the bottom of the growing medium under gravity and to ...