| Date | Action |
| 09/01/2001 | License Canceled |
| 12/20/2000 | License Renewed |
| 11/10/2000 | License Transferred |
| 12/10/1999 | Internal Correction Applied |
| 08/14/1999 | License Converted |
| 11/09/1998 | Internal Correction Applied |
| 11/03/1998 | Internal Correction Applied |
| 11/03/1998 | Internal Correction Applied |
| 10/13/1998 | License Transferred |
| 10/06/1998 | License Assigned (Full Assignment) |
| 12/24/1997 | License Assigned (Full Assignment) |
| 05/09/1995 | License Transferred |
| 07/19/1993 | License Assigned (Full Assignment) |
| 04/25/1991 | License Renewed |
| 09/29/1987 | Application Granted |