| Date | Action |
| 05/31/2003 | License Canceled |
| 12/18/2002 | Administrative Update Applied |
| 12/27/2001 | License Renewed |
| 10/09/2001 | Renewal Reminder Letter Sent |
| 09/28/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 02/08/1999 | Internal Correction Applied |
| 11/26/1996 | License Renewed |
| 01/02/1992 | License Modified |
| 11/20/1991 | License Modified |
| 01/02/1987 | License Modified |
| 07/27/1984 | License Modified |
| 07/12/1984 | License Modified |
| 11/03/1983 | License Modified |
| 10/28/1983 | License Modified |
| 10/12/1983 | License Modified |
| 04/07/1981 | License Modified |