| Date | Action |
| 04/07/2001 | License Canceled |
| 04/03/2001 | Administrative Update Applied |
| 02/06/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 10/02/2000 | License Transferred |
| 10/16/1999 | Administrative Update Applied |
| 10/16/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 07/29/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 04/05/1999 | Internal Correction Applied |
| 02/11/1999 | License Modified |
| 06/23/1997 | Internal Correction Applied |
| 06/23/1997 | Internal Correction Applied |
| 11/01/1994 | License Transferred |
| 10/05/1993 | License Transferred |
| 11/25/1992 | License Transferred |
| 04/17/1991 | License Renewed |
| 10/25/1990 | License Modified |
| 07/17/1987 | Application Granted |