| Date | Action |
| 03/05/2003 | License Canceled |
| 08/22/2002 | License Assigned (Full Assignment) |
| 06/03/2002 | License Assigned (Full Assignment) |
| 12/06/2001 | License Assigned (Full Assignment) |
| 12/12/2000 | License Renewed |
| 11/10/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 04/26/1999 | Internal Correction Applied |
| 03/02/1999 | Internal Correction Applied |
| 03/02/1999 | Internal Correction Applied |
| 02/24/1999 | License Assigned (Full Assignment) |
| 02/16/1999 | License Transferred |
| 10/13/1998 | License Transferred |
| 10/06/1998 | License Assigned (Full Assignment) |
| 05/11/1998 | License Modified |
| 12/24/1997 | License Assigned (Full Assignment) |
| 03/13/1996 | License Transferred |
| 07/20/1994 | License Modified |
| 03/29/1994 | License Assigned (Full Assignment) |
| 02/26/1986 | Application Granted |