| Date | Action |
| 07/26/2001 | License Canceled |
| 01/23/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 10/11/2000 | License Transferred |
| 08/10/2000 | Administrative Update Applied |
| 06/30/2000 | License Transferred |
| 06/07/2000 | License Transferred |
| 10/05/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 08/03/1999 | Internal Correction Applied |
| 08/03/1998 | Administrative Update Applied |
| 06/16/1997 | Internal Correction Applied |
| 05/22/1997 | Internal Correction Applied |
| 05/20/1997 | Internal Correction Applied |
| 02/14/1992 | License Transferred |
| 08/05/1991 | License Transferred |
| 03/21/1991 | License Modified |