| Date | Action |
| 07/18/2003 | License Canceled |
| 06/12/2003 | Administrative Update Applied |
| 02/06/2002 | Administrative Update Applied |
| 10/10/2001 | License Assigned (Full Assignment) |
| 05/10/2001 | License Renewed |
| 02/04/2001 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 07/31/1998 | License Modified |
| 04/30/1998 | License Modified |
| 04/18/1996 | License Modified |
| 04/18/1994 | License Modified |
| 04/06/1994 | License Modified |
| 05/18/1989 | License Modified |
| 06/03/1987 | License Modified |
| 06/29/1984 | License Modified |
| 11/09/1982 | License Modified |
| 08/05/1981 | License Modified |
| 01/16/1980 | License Modified |