| Date | Action |
| 11/14/2002 | License Canceled |
| 09/28/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 04/10/2001 | License Renewed |
| 01/22/2001 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 02/08/1999 | Internal Correction Applied |
| 03/05/1996 | Internal Correction Applied |
| 03/01/1996 | License Renewed |
| 02/28/1991 | License Modified |
| 02/07/1991 | License Modified |
| 10/23/1990 | License Modified |
| 10/05/1990 | License Modified |
| 11/17/1988 | License Modified |
| 11/29/1983 | License Modified |
| 11/04/1983 | License Modified |
| 11/22/1978 | License Modified |
| 01/25/1978 | License Modified |