| Date | Action |
| 08/17/2004 | License Canceled |
| 04/20/2004 | License Assigned (Full Assignment) |
| 02/12/2003 | Administrative Update Applied |
| 01/15/2003 | Administrative Update Applied |
| 01/14/2003 | Administrative Update Applied |
| 07/21/2002 | License Assigned (Full Assignment) |
| 03/07/2001 | Administrative Update Applied |
| 01/23/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 03/29/1999 | Internal Correction Applied |
| 02/11/1999 | License Transferred |
| 04/01/1991 | License Renewed |
| 02/22/1990 | License Modified |
| 01/24/1989 | License Modified |
| 03/26/1987 | License Modified |
| 05/08/1986 | License Modified |
| 02/06/1986 | License Modified |
| 06/26/1985 | Application Granted |