| Date | Action |
| 03/11/2004 | License Canceled |
| 03/28/2003 | Administrative Update Applied |
| 03/26/2003 | Administrative Update Applied |
| 03/15/2003 | Administrative Update Applied |
| 12/31/2002 | License Assigned (Full Assignment) |
| 08/30/2002 | License Transferred |
| 06/28/2002 | License Renewed |
| 05/06/2002 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 07/20/1998 | Internal Correction Applied |
| 06/05/1997 | License Renewed |
| 06/04/1997 | Internal Correction Applied |
| 07/28/1992 | License Modified |
| 08/17/1987 | License Modified |
| 06/05/1987 | License Modified |
| 08/02/1985 | License Modified |
| 07/26/1982 | License Modified |
| 05/15/1981 | License Modified |
| 05/11/1979 | License Modified |