| Date | Action |
| 09/06/2000 | License Canceled |
| 05/07/2000 | Renewal Reminder Letter Sent |
| 12/17/1999 | Administrative Update Applied |
| 12/17/1999 | Administrative Update Applied |
| 12/07/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 02/12/1999 | License Modified |
| 10/07/1998 | Internal Correction Applied |
| 04/06/1998 | Administrative Update Applied |
| 04/25/1997 | Internal Correction Applied |
| 04/25/1997 | Internal Correction Applied |
| 03/05/1997 | Internal Correction Applied |
| 03/05/1997 | License Modified |
| 06/05/1995 | License Modified |
| 02/20/1992 | License Modified |
| 12/22/1989 | License Modified |
| 11/15/1984 | Application Granted |