| Date | Action |
| 08/28/2004 | License Canceled |
| 02/22/2002 | License Assigned (Full Assignment) |
| 09/26/2000 | License Renewed |
| 05/07/2000 | Renewal Reminder Letter Sent |
| 12/17/1999 | Administrative Update Applied |
| 12/07/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 03/24/1999 | Application Granted |
| 04/06/1998 | Administrative Update Applied |
| 01/30/1995 | License Modified |
| 08/08/1994 | License Modified |
| 01/15/1992 | License Modified |
| 10/10/1991 | License Modified |
| 10/10/1991 | License Modified |
| 09/29/1988 | License Modified |
| 07/15/1988 | License Modified |
| 08/21/1986 | Application Granted |