| Date | Action |
| 04/05/2008 | License Status Set to Expired |
| 11/12/2007 | Renewal Reminder Letter Sent |
| 04/21/2000 | Administrative Update Applied |
| 04/10/2000 | License Cancellation Reversed |
| 02/18/2000 | Internal Correction Applied |
| 01/15/2000 | License Canceled |
| 08/13/1999 | License Converted |
| 01/23/1998 | License Renewed |
| 09/22/1997 | License Assigned (Full Assignment) |
| 02/04/1993 | License Modified |
| 12/24/1992 | License Modified |
| 02/26/1988 | License Modified |
| 02/12/1988 | License Modified |
| 06/20/1986 | License Modified |
| 11/01/1985 | License Modified |
| 08/23/1977 | License Renewed |