| Date | Action |
| 07/02/2003 | License Canceled |
| 01/16/2003 | Administrative Update Applied |
| 08/31/2002 | Administrative Update Applied |
| 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) |
| 08/13/1999 | License Converted |
| 07/22/1999 | License Renewed |
| 03/24/1999 | License Assigned (Full Assignment) |
| 05/05/1995 | License Modified |
| 08/25/1994 | License Modified |
| 08/25/1994 | License Modified |
| 07/20/1994 | License Modified |
| 07/16/1994 | License Modified |
| 03/01/1990 | License Modified |
| 01/31/1990 | License Modified |
| 07/28/1989 | License Modified |
| 11/14/1988 | License Modified |
| 11/04/1983 | License Modified |
| 10/17/1978 | License Issued |