| Date | Action |
| 01/31/2002 | License Canceled |
| 11/29/2001 | Administrative Update Applied |
| 07/11/2000 | Administrative Update Applied |
| 02/15/2000 | License Renewed |
| 11/06/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 11/24/1998 | License Modified |
| 05/15/1998 | Internal Correction Applied |
| 05/14/1998 | Internal Correction Applied |
| 05/12/1998 | Internal Correction Applied |
| 03/20/1991 | License Modified |
| 07/24/1990 | License Modified |
| 01/16/1990 | License Renewed |
| 02/15/1989 | License Modified |
| 09/14/1988 | License Modified |
| 11/05/1987 | License Modified |
| 01/22/1987 | License Modified |
| 09/25/1986 | License Modified |
| 07/11/1985 | Application Granted |