| Date | Action |
| 02/20/2004 | License Canceled |
| 07/12/2001 | Administrative Update Applied |
| 12/15/2000 | Administrative Update Applied |
| 05/09/2000 | Administrative Update Applied |
| 02/25/2000 | License Renewed |
| 01/08/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 11/24/1998 | License Modified |
| 07/19/1997 | License Modified |
| 03/22/1996 | License Modified |
| 09/27/1995 | License Modified |
| 03/24/1995 | License Renewed |
| 03/15/1990 | License Modified |
| 02/03/1990 | License Modified |
| 03/15/1985 | License Modified |
| 03/06/1985 | License Modified |
| 09/04/1980 | License Modified |
| 04/10/1980 | License Modified |