| Date | Action |
| 04/23/2019 | License Renewed |
| 02/11/2019 | Renewal Reminder Letter Sent |
| 05/07/2009 | License Renewed |
| 02/23/2009 | Renewal Reminder Letter Sent |
| 10/13/2006 | License Assigned (Full Assignment) |
| 06/25/2006 | License Assigned (Full Assignment) |
| 06/27/2000 | Administrative Update Applied |
| 06/01/2000 | License Assigned (Full Assignment) |
| 02/25/2000 | Administrative Update Applied |
| 02/25/2000 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 05/17/1999 | License Modified |
| 05/08/1998 | License Assigned (Full Assignment) |
| 04/03/1997 | License Assigned (Full Assignment) |
| 05/20/1996 | License Assigned (Full Assignment) |
| 05/09/1995 | License Renewed |
| 07/06/1990 | License Issued |