| Date | Action |
| 04/28/2001 | License Canceled |
| 12/12/2000 | License Renewed |
| 11/10/2000 | License Transferred |
| 10/04/2000 | Administrative Update Applied |
| 10/04/2000 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 03/02/1999 | Internal Correction Applied |
| 02/16/1999 | License Transferred |
| 11/20/1998 | Internal Correction Applied |
| 10/13/1998 | License Assigned (Full Assignment) |
| 10/06/1998 | License Assigned (Full Assignment) |
| 12/17/1997 | License Assigned (Full Assignment) |
| 05/28/1997 | Internal Correction Applied |
| 05/08/1997 | Internal Correction Applied |
| 07/11/1995 | License Transferred |
| 02/01/1995 | License Transferred |
| 12/19/1984 | License Issued |