| Date | Action |
| 11/05/2000 | License Status Set to Expired |
| 09/01/2000 | License Assigned (Full Assignment) |
| 06/30/2000 | License Transferred |
| 05/07/2000 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 10/01/1998 | Internal Correction Applied |
| 04/06/1998 | Internal Correction Applied |
| 09/16/1997 | License Modified |
| 06/27/1994 | License Modified |
| 11/24/1993 | License Modified |
| 09/24/1993 | License Modified |
| 09/10/1993 | License Modified |
| 07/21/1993 | License Modified |
| 04/22/1991 | License Renewed |
| 03/15/1990 | License Modified |
| 07/23/1985 | Application Granted |