| Date | Action |
| 08/07/2010 | License Canceled |
| 11/19/2009 | License Renewed |
| 10/26/2009 | Renewal Reminder Letter Sent |
| 11/20/2003 | Administrative Update Applied |
| 11/13/2003 | License Assigned (Full Assignment) |
| 03/29/2001 | Administrative Update Applied |
| 02/08/2001 | License Assigned (Full Assignment) |
| 09/18/2000 | License Transferred |
| 04/06/2000 | Administrative Update Applied |
| 04/06/2000 | Administrative Update Applied |
| 04/05/2000 | Administrative Update Applied |
| 12/09/1999 | License Renewed |
| 10/23/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 01/20/1995 | License Renewed |
| 12/01/1989 | License Modified |
| 11/29/1989 | License Modified |
| 09/14/1987 | License Modified |
| 11/22/1985 | License Modified |
| 12/21/1984 | License Issued |
| 12/12/1984 | License Modified |