| Date | Action |
| 11/05/2002 | License Canceled |
| 03/21/2002 | Administrative Update Applied |
| 03/15/2001 | Administrative Update Applied |
| 03/15/2001 | Administrative Update Applied |
| 03/13/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 08/11/1999 | License Assigned (Full Assignment) |
| 01/19/1999 | Internal Correction Applied |
| 03/24/1998 | License Assigned (Full Assignment) |
| 10/03/1997 | License Assigned (Full Assignment) |
| 07/29/1994 | License Transferred |
| 05/09/1994 | License Modified |
| 10/14/1993 | License Modified |
| 03/06/1990 | License Transferred |
| 02/27/1990 | License Assigned (Full Assignment) |
| 03/27/1987 | License Modified |
| 09/25/1985 | Application Granted |