| Date | Action |
| 05/03/2003 | License Canceled |
| 12/18/2002 | Administrative Update Applied |
| 09/28/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 09/27/2001 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 02/08/1999 | Internal Correction Applied |
| 01/14/1998 | License Renewed |
| 06/27/1997 | Internal Correction Applied |
| 06/16/1997 | Internal Correction Applied |
| 03/23/1993 | License Modified |
| 10/30/1991 | License Modified |
| 10/18/1991 | License Modified |
| 04/03/1991 | License Modified |
| 03/07/1991 | License Modified |
| 02/25/1991 | License Modified |
| 01/28/1988 | License Modified |
| 01/28/1988 | License Modified |
| 11/20/1987 | License Issued |