| Date | Action |
| 10/10/2001 | License Canceled |
| 03/13/2001 | License Renewed |
| 02/02/2001 | Administrative Update Applied |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/09/2000 | License Assigned (Full Assignment) |
| 04/28/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 03/22/1999 | License Transferred |
| 05/08/1998 | License Modified |
| 10/27/1997 | License Modified |
| 06/26/1995 | License Modified |
| 12/27/1994 | License Transferred |
| 03/07/1994 | License Modified |
| 02/10/1994 | License Modified |
| 10/20/1992 | License Transferred |
| 07/20/1992 | License Assigned (Full Assignment) |
| 03/25/1992 | License Assigned (Full Assignment) |
| 11/29/1991 | License Assigned (Full Assignment) |
| 04/08/1991 | License Renewed |