| Date | Action |
| 04/24/2002 | 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 |
| 06/16/1998 | Internal Correction Applied |
| 05/11/1998 | License Modified |
| 08/23/1991 | License Modified |
| 01/16/1990 | License Renewed |
| 05/11/1989 | License Modified |
| 02/01/1989 | License Modified |
| 10/14/1988 | License Modified |
| 09/02/1988 | License Modified |
| 09/17/1987 | License Modified |
| 03/06/1987 | License Modified |
| 06/05/1986 | Application Granted |