Before revision: On January 13, 2004 it acquired the intellectual property for multi-layer optical disks , and became headquartered in London.
After revision: April 20, 2001, it became a public company, with shares traded over-the-counter with symbol MNEN.Onfrom MultiDisc Ltd. and TriGM International S.AOn January 13, 2004 it acquired the intellectual property for multi-layer optical disks , and became headquartered in London.