| Date | Action |
| 10/27/2005 | License Canceled |
| 01/28/2004 | Administrative Update Applied |
| 02/09/2002 | Administrative Update Applied |
| 05/30/2001 | Administrative Update Applied |
| 02/21/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 07/26/2000 | Administrative Update Applied |
| 05/13/2000 | License Transferred |
| 04/03/2000 | License Transferred |
| 03/16/2000 | Internal Correction Applied |
| 02/18/2000 | License Modified |
| 02/04/2000 | Administrative Update Applied |
| 11/09/1999 | License Assigned (Full Assignment) |
| 11/05/1999 | Internal Correction Applied |
| 08/13/1999 | License Converted |
| 08/11/1999 | License Transferred |
| 11/23/1998 | Internal Correction Applied |
| 11/23/1998 | Internal Correction Applied |
| 06/10/1997 | License Modified |
| 11/09/1994 | License Transferred |
| 11/15/1993 | License Modified |
| 03/01/1993 | License Modified |
| 02/22/1993 | License Transferred |
| 05/09/1991 | License Renewed |
| 05/31/1990 | License Modified |
| 12/22/1989 | License Modified |
| 07/17/1987 | Application Granted |