| Date | Action |
| 05/29/2003 | License Canceled |
| 05/05/2003 | Renewal Reminder Letter Sent |
| 02/06/2002 | Administrative Update Applied |
| 10/10/2001 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 02/14/1998 | License Renewed |
| 06/27/1997 | Internal Correction Applied |
| 06/13/1997 | Internal Correction Applied |
| 08/03/1993 | License Modified |
| 07/27/1993 | License Modified |
| 07/19/1993 | License Modified |
| 06/16/1993 | License Modified |
| 05/18/1989 | License Modified |
| 06/03/1987 | License Modified |
| 06/29/1984 | License Modified |
| 01/16/1980 | License Modified |