| Date | Action |
| 08/15/2003 | License Canceled |
| 01/25/2003 | Administrative Update Applied |
| 05/01/2001 | Administrative Update Applied |
| 02/27/2001 | License Renewed |
| 01/31/2001 | Administrative Update Applied |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 04/01/2000 | License Assigned (Full Assignment) |
| 04/01/2000 | License Assigned (Full Assignment) |
| 08/14/1999 | License Converted |
| 06/26/1998 | License Transferred |
| 04/18/1998 | License Modified |
| 12/23/1997 | Internal Correction Applied |
| 05/06/1997 | Internal Correction Applied |
| 05/06/1997 | Internal Correction Applied |
| 05/06/1997 | Internal Correction Applied |
| 11/06/1996 | License Modified |
| 02/28/1996 | License Transferred |
| 02/25/1994 | License Modified |
| 04/20/1993 | License Modified |
| 04/20/1993 | License Modified |
| 04/17/1991 | License Renewed |
| 04/18/1990 | License Assigned (Full Assignment) |
| 03/13/1990 | Application Granted |