| Date | Action |
| 07/02/2009 | License Canceled |
| 07/04/2001 | Administrative Update Applied |
| 03/09/2001 | License Renewed |
| 01/11/2001 | Administrative Update Applied |
| 12/31/2000 | License Assigned (Full Assignment) |
| 11/28/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 04/04/1997 | License Modified |
| 03/22/1996 | Internal Correction Applied |
| 11/28/1995 | License Renewed |
| 02/14/1991 | License Modified |
| 01/05/1991 | License Modified |
| 02/14/1986 | License Modified |
| 07/20/1984 | License Modified |
| 05/29/1979 | License Modified |
| 02/28/1978 | License Modified |