| Date | Action |
| 03/21/2003 | License Canceled |
| 07/13/2002 | Administrative Update Applied |
| 06/03/2002 | License Assigned (Full Assignment) |
| 12/06/2001 | License Assigned (Full Assignment) |
| 01/05/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 11/10/2000 | License Transferred |
| 02/17/2000 | Administrative Update Applied |
| 11/30/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 03/02/1999 | Internal Correction Applied |
| 02/16/1999 | License Transferred |
| 04/03/1997 | License Assigned (Full Assignment) |
| 08/21/1996 | License Assigned (Full Assignment) |
| 05/31/1995 | License Transferred |
| 10/26/1994 | License Assigned (Full Assignment) |
| 02/08/1994 | License Transferred |
| 10/18/1993 | License Transferred |
| 02/27/1993 | License Transferred |
| 04/17/1991 | License Renewed |
| 05/15/1986 | Application Granted |