| Date | Action |
| 05/07/2011 | License Status Set to Expired |
| 12/13/2010 | Renewal Reminder Letter Sent |
| 03/19/2004 | License Assigned (Full Assignment) |
| 09/17/2003 | Administrative Update Applied |
| 01/04/2003 | Administrative Update Applied |
| 10/21/2002 | License Assigned (Full Assignment) |
| 06/11/2002 | License Transferred |
| 02/23/2001 | License Renewed |
| 02/09/2001 | Administrative Update Applied |
| 12/10/2000 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 06/25/1996 | License Assigned (Full Assignment) |
| 03/11/1996 | Internal Correction Applied |
| 03/01/1996 | License Assigned (Full Assignment) |
| 10/05/1990 | License Issued |