| Date | Action |
| 04/09/2011 | License Status Set to Expired |
| 11/08/2010 | Renewal Reminder Letter Sent |
| 01/17/2003 | Administrative Update Applied |
| 02/21/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 06/30/2000 | License Transferred |
| 08/14/1999 | License Converted |
| 08/02/1999 | Internal Correction Applied |
| 04/02/1999 | License Assigned (Full Assignment) |
| 07/08/1998 | License Transferred |
| 04/23/1991 | License Transferred |
| 04/17/1991 | License Renewed |
| 03/26/1991 | License Modified |
| 10/01/1990 | License Transferred |
| 09/30/1986 | Application Granted |