| Date | Action |
| 09/20/2008 | License Status Set to Expired |
| 04/21/2008 | Renewal Reminder Letter Sent |
| 07/04/2001 | Administrative Update Applied |
| 01/11/2001 | Administrative Update Applied |
| 12/31/2000 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/20/1999 | Internal Correction Applied |
| 05/13/1998 | License Renewed |
| 07/15/1993 | License Modified |
| 06/08/1993 | License Modified |
| 06/05/1993 | License Modified |
| 08/26/1988 | License Modified |
| 07/20/1984 | License Modified |
| 05/29/1979 | License Issued |