| Date | Action |
| 05/16/2002 | License Canceled |
| 04/24/2002 | Administrative Update Applied |
| 06/16/2001 | Administrative Update Applied |
| 09/06/2000 | License Renewed |
| 08/02/2000 | Administrative Update Applied |
| 06/30/2000 | License Transferred |
| 06/01/2000 | Administrative Update Applied |
| 05/07/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 12/14/1998 | License Transferred |
| 03/05/1998 | License Transferred |
| 02/20/1998 | Internal Correction Applied |
| 05/29/1997 | Internal Correction Applied |
| 09/28/1990 | License Modified |
| 10/27/1988 | License Modified |
| 02/26/1988 | License Modified |
| 12/10/1987 | License Modified |
| 11/05/1987 | License Modified |
| 11/26/1986 | License Modified |
| 03/20/1986 | License Modified |
| 07/03/1985 | Application Granted |