| Date | Action |
| 05/03/2003 | License Canceled |
| 09/19/2002 | Administrative Update Applied |
| 09/19/2002 | Administrative Update Applied |
| 02/16/2002 | Administrative Update Applied |
| 09/28/2000 | Administrative Update Applied |
| 09/28/2000 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 03/24/1999 | Internal Correction Applied |
| 03/02/1999 | License Renewed |
| 03/16/1998 | License Modified |
| 11/30/1993 | License Modified |
| 10/13/1988 | License Modified |
| 09/16/1983 | License Modified |
| 08/16/1983 | License Modified |
| 10/20/1982 | License Modified |
| 03/06/1981 | License Modified |
| 03/22/1979 | License Modified |
| 02/14/1978 | License Modified |
| 11/08/1977 | License Renewed |