| Date | Action |
| 05/13/2004 | License Canceled |
| 10/18/2003 | Administrative Update Applied |
| 06/12/2003 | Administrative Update Applied |
| 02/25/2003 | License Renewed |
| 11/25/2002 | Renewal Reminder Letter Sent |
| 02/06/2002 | Administrative Update Applied |
| 10/10/2001 | License Assigned (Full Assignment) |
| 05/11/2001 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 02/14/1998 | License Renewed |
| 06/16/1997 | Internal Correction Applied |
| 01/14/1993 | License Modified |
| 12/05/1992 | License Modified |
| 02/16/1988 | License Modified |
| 06/03/1987 | License Modified |
| 07/08/1983 | License Modified |
| 12/21/1979 | License Modified |