| Date | Action |
| 11/02/2007 | License Canceled |
| 03/28/2003 | Administrative Update Applied |
| 03/26/2003 | Administrative Update Applied |
| 03/15/2003 | Administrative Update Applied |
| 12/31/2002 | License Assigned (Full Assignment) |
| 08/30/2002 | License Transferred |
| 08/14/1999 | License Converted |
| 09/01/1998 | License Renewed |
| 07/20/1998 | Internal Correction Applied |
| 06/09/1997 | Internal Correction Applied |
| 09/27/1993 | License Modified |
| 09/17/1993 | License Modified |
| 03/30/1990 | License Modified |
| 05/16/1988 | License Modified |
| 08/10/1987 | License Modified |
| 06/28/1985 | License Issued |