| Date | Action |
| 04/09/2011 | License Status Set to Expired |
| 11/08/2010 | Renewal Reminder Letter Sent |
| 05/25/2001 | License Assigned (Full Assignment) |
| 02/27/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 06/30/2000 | License Transferred |
| 05/04/2000 | License Assigned (Full Assignment) |
| 04/04/2000 | License Transferred |
| 03/11/2000 | License Assigned (Full Assignment) |
| 11/04/1999 | Internal Correction Applied |
| 08/13/1999 | License Converted |
| 05/14/1999 | Internal Correction Applied |
| 02/08/1993 | License Assigned (Full Assignment) |
| 03/28/1991 | License Renewed |
| 07/08/1987 | Application Granted |