| Date | Action |
| 08/01/2003 | License Canceled |
| 04/26/2001 | License Renewed |
| 07/14/2000 | Administrative Update Applied |
| 12/02/1999 | License Transferred |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/20/1999 | Internal Correction Applied |
| 03/20/1998 | License Modified |
| 06/04/1997 | Internal Correction Applied |
| 06/14/1996 | License Modified |
| 01/14/1992 | License Modified |
| 10/05/1990 | License Modified |
| 09/26/1990 | License Modified |
| 10/01/1987 | License Modified |
| 09/22/1987 | License Modified |
| 03/25/1983 | License Modified |
| 02/18/1981 | License Modified |
| 02/28/1979 | License Modified |