| Date | Action |
| 05/22/2002 | License Canceled |
| 07/06/2001 | Administrative Update Applied |
| 07/04/2001 | Administrative Update Applied |
| 07/04/2001 | Administrative Update Applied |
| 04/25/2001 | Administrative Update Applied |
| 12/16/2000 | Administrative Update Applied |
| 04/18/2000 | License Transferred |
| 04/18/2000 | License Transferred |
| 01/19/2000 | License Assigned (Full Assignment) |
| 08/14/1999 | License Converted |
| 01/28/1999 | Internal Correction Applied |
| 09/18/1998 | Administrative Update Applied |
| 07/16/1998 | Internal Correction Applied |
| 03/28/1998 | Internal Correction Applied |
| 03/28/1998 | License Renewed |
| 07/19/1993 | License Modified |
| 07/02/1993 | License Modified |
| 01/27/1992 | License Issued |