| Date | Action |
| 11/26/2002 | License Canceled |
| 09/13/2002 | License Assigned (Full Assignment) |
| 04/03/2001 | Administrative Update Applied |
| 02/06/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 10/02/2000 | License Transferred |
| 02/12/2000 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 12/01/1998 | Internal Correction Applied |
| 12/01/1998 | Internal Correction Applied |
| 05/20/1997 | License Assigned (Full Assignment) |
| 08/14/1996 | Internal Correction Applied |
| 05/23/1995 | License Transferred |
| 11/25/1992 | License Transferred |
| 12/20/1991 | License Transferred |
| 04/17/1991 | License Renewed |
| 08/25/1988 | Application Granted |
| 09/29/1987 | License Modified |
| 12/19/1985 | Application Granted |