| Date | Action |
| 06/30/2001 | License Canceled |
| 04/03/2001 | Administrative Update Applied |
| 02/06/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 10/02/2000 | License Transferred |
| 05/17/2000 | License Modified |
| 04/05/2000 | License Modified |
| 02/29/2000 | License Modified |
| 10/16/1999 | Administrative Update Applied |
| 10/16/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 07/29/1999 | Internal Correction Applied |
| 03/19/1996 | License Modified |
| 10/05/1993 | License Transferred |
| 12/29/1992 | License Assigned (Full Assignment) |
| 11/25/1992 | License Transferred |
| 12/30/1991 | License Modified |
| 04/17/1991 | License Renewed |
| 07/03/1990 | License Modified |
| 11/23/1988 | License Modified |
| 10/19/1988 | License Modified |
| 10/05/1988 | License Modified |
| 09/07/1988 | Application Granted |