| Date | Action |
| 02/10/2009 | License Canceled |
| 03/28/2003 | Administrative Update Applied |
| 03/26/2003 | Administrative Update Applied |
| 03/15/2003 | Administrative Update Applied |
| 08/30/2002 | License Transferred |
| 11/28/2001 | License Renewed |
| 11/26/2001 | Renewal Reminder Letter Sent |
| 09/14/2001 | License Assigned (Full Assignment) |
| 07/12/2001 | Administrative Update Applied |
| 07/07/2001 | Administrative Update Applied |
| 07/07/2001 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 05/01/1997 | Internal Correction Applied |
| 04/29/1997 | License Assigned (Full Assignment) |
| 01/15/1997 | License Renewed |
| 02/05/1996 | Internal Correction Applied |
| 02/02/1996 | Internal Correction Applied |
| 02/20/1992 | License Modified |
| 01/14/1992 | License Modified |
| 02/13/1987 | License Modified |
| 10/28/1983 | License Issued |
| 10/20/1982 | License Modified |