| Date | Action |
| 05/06/2001 | License Status Set to Expired |
| 01/18/2001 | Administrative Update Applied |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 07/18/2000 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 01/25/1999 | License Modified |
| 06/26/1998 | License Transferred |
| 02/13/1997 | License Assigned (Full Assignment) |
| 08/16/1994 | License Transferred |
| 01/07/1994 | License Modified |
| 09/17/1993 | License Modified |
| 02/08/1993 | License Transferred |
| 12/17/1992 | License Transferred |
| 02/14/1992 | License Transferred |
| 04/17/1991 | License Renewed |
| 10/13/1988 | License Modified |
| 10/05/1988 | Application Granted |