| Date | Action |
| 04/08/2004 | License Canceled |
| 09/23/2003 | Administrative Update Applied |
| 01/29/2003 | Administrative Update Applied |
| 01/03/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 04/03/2000 | License Transferred |
| 12/01/1999 | License Transferred |
| 09/28/1999 | License Transferred |
| 08/14/1999 | License Converted |
| 07/27/1999 | Internal Correction Applied |
| 12/11/1998 | Internal Correction Applied |
| 10/30/1997 | License Transferred |
| 01/25/1995 | License Transferred |
| 08/30/1993 | License Transferred |
| 03/09/1992 | License Modified |
| 04/25/1991 | License Renewed |