| Date | Action |
| 05/06/2001 | License Status Set to Expired |
| 01/20/2001 | Administrative Update Applied |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 03/31/1999 | Internal Correction Applied |
| 03/31/1999 | Internal Correction Applied |
| 12/23/1997 | License Assigned (Full Assignment) |
| 06/23/1997 | Internal Correction Applied |
| 10/11/1994 | License Modified |
| 07/30/1991 | License Modified |
| 04/17/1991 | License Renewed |
| 06/12/1990 | License Modified |
| 04/10/1990 | License Transferred |
| 12/07/1989 | License Modified |
| 10/19/1988 | License Modified |
| 08/04/1988 | Application Granted |