| Date | Action |
| 05/15/2003 | 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 |
| 12/17/1999 | Administrative Update Applied |
| 12/07/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 02/08/1999 | License Modified |
| 04/06/1998 | Administrative Update Applied |
| 04/06/1998 | Administrative Update Applied |
| 09/28/1995 | License Modified |
| 01/19/1994 | License Modified |
| 07/30/1993 | License Modified |
| 07/30/1992 | License Modified |
| 03/23/1989 | License Modified |
| 03/23/1989 | License Modified |
| 11/05/1987 | License Modified |
| 11/05/1987 | License Modified |
| 03/27/1987 | License Modified |
| 03/27/1987 | License Modified |
| 10/09/1986 | License Modified |
| 08/21/1986 | License Modified |
| 06/19/1986 | License Modified |
| 12/12/1985 | License Modified |
| 06/20/1985 | License Modified |
| 02/15/1985 | License Modified |
| 11/01/1984 | Application Granted |