| Date | Action |
| 04/10/2003 | License Canceled |
| 02/09/2002 | Administrative Update Applied |
| 05/05/2001 | Administrative Update Applied |
| 02/06/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/04/2000 | License Transferred |
| 06/06/2000 | Administrative Update Applied |
| 06/01/2000 | License Assigned (Full Assignment) |
| 04/03/2000 | License Assigned (Full Assignment) |
| 11/09/1999 | Administrative Update Applied |
| 11/09/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 07/09/1999 | License Transferred |
| 06/24/1999 | Internal Correction Applied |
| 06/15/1999 | Internal Correction Applied |
| 11/09/1994 | License Transferred |
| 06/22/1993 | License Transferred |
| 02/22/1993 | License Transferred |
| 02/16/1993 | License Assigned (Full Assignment) |
| 04/14/1987 | Application Granted |