| Date | Action |
| 03/10/2009 | License Canceled |
| 01/09/2008 | License Renewed |
| 12/24/2007 | Renewal Reminder Letter Sent |
| 10/02/2001 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 08/06/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 01/23/1998 | License Renewed |
| 06/16/1997 | Internal Correction Applied |
| 03/18/1993 | License Modified |
| 02/06/1993 | License Modified |
| 02/24/1988 | License Modified |
| 06/19/1987 | License Issued |