| Date | Action |
| 06/23/2012 | License Status Set to Expired |
| 01/23/2012 | Renewal Reminder Letter Sent |
| 02/07/2002 | License Renewed |
| 01/22/2002 | 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 |
| 09/22/1997 | License Assigned (Full Assignment) |
| 04/18/1997 | License Renewed |
| 11/27/1996 | License Modified |
| 04/20/1992 | License Modified |
| 03/20/1987 | License Modified |
| 10/11/1985 | License Modified |
| 10/25/1983 | License Modified |
| 10/21/1983 | License Modified |
| 01/21/1982 | License Modified |
| 02/13/1980 | License Modified |