| Date | Action |
| 03/01/2003 | License Canceled |
| 12/12/2002 | License Assigned (Full Assignment) |
| 05/21/2002 | License Modified |
| 04/03/2001 | Administrative Update Applied |
| 04/03/2001 | Administrative Update Applied |
| 02/06/2001 | License Renewed |
| 11/16/2000 | License Assigned (Full Assignment) |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 10/02/2000 | License Transferred |
| 11/20/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 01/22/1999 | Internal Correction Applied |
| 01/22/1999 | Internal Correction Applied |
| 01/22/1999 | Internal Correction Applied |
| 09/05/1995 | License Modified |
| 11/23/1994 | License Modified |
| 08/05/1993 | License Modified |
| 08/05/1993 | License Modified |
| 11/25/1992 | License Transferred |