| Date | Action |
| 07/11/2003 | License Canceled |
| 12/28/2002 | License Assigned (Full Assignment) |
| 10/23/2002 | Internal Correction Applied |
| 04/03/2001 | Administrative Update Applied |
| 02/13/2001 | License Renewed |
| 11/15/2000 | License Assigned (Full Assignment) |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 10/02/2000 | License Transferred |
| 12/07/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 05/16/1997 | License Assigned (Full Assignment) |
| 02/01/1994 | License Modified |
| 03/28/1991 | License Renewed |
| 03/26/1991 | License Modified |
| 11/02/1988 | License Modified |
| 05/02/1988 | License Modified |
| 02/23/1988 | Application Granted |