| Date | Action |
| 12/11/2007 | License Canceled |
| 02/20/2004 | Administrative Update Applied |
| 11/07/2001 | License Renewed |
| 10/22/2001 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 03/23/1999 | License Assigned (Full Assignment) |
| 09/18/1998 | Administrative Update Applied |
| 01/14/1997 | Internal Correction Applied |
| 01/09/1997 | License Renewed |
| 11/07/1995 | Internal Correction Applied |
| 09/08/1995 | Internal Correction Applied |
| 09/08/1995 | Internal Correction Applied |
| 09/08/1995 | Internal Correction Applied |
| 09/08/1995 | Internal Correction Applied |
| 03/19/1992 | License Modified |
| 02/11/1992 | License Modified |
| 03/06/1987 | License Issued |