| Date | Action |
| 12/08/2006 | License Canceled |
| 03/25/2003 | Administrative Update Applied |
| 03/25/2003 | Administrative Update Applied |
| 03/25/2003 | Administrative Update Applied |
| 03/25/2003 | Administrative Update Applied |
| 08/01/2002 | License Transferred |
| 12/05/2001 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 07/21/1999 | Internal Correction Applied |
| 01/06/1999 | License Assigned (Full Assignment) |
| 01/30/1998 | License Renewed |
| 11/03/1997 | License Assigned (Full Assignment) |
| 10/12/1993 | License Modified |
| 01/07/1993 | License Modified |
| 11/27/1992 | License Modified |
| 12/24/1987 | License Modified |
| 01/28/1983 | License Modified |
| 04/30/1980 | License Modified |
| 08/11/1979 | License Modified |