| Date | Action |
| 10/15/2003 | License Canceled |
| 10/16/2002 | Administrative Update Applied |
| 09/13/2002 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 10/23/1998 | License Renewed |
| 07/20/1998 | Internal Correction Applied |
| 01/06/1998 | Internal Correction Applied |
| 06/06/1997 | Internal Correction Applied |
| 05/10/1994 | License Modified |
| 02/24/1993 | License Modified |
| 02/28/1991 | License Modified |
| 08/27/1990 | License Modified |
| 05/31/1990 | License Modified |
| 05/14/1990 | License Modified |
| 05/07/1990 | License Modified |
| 04/30/1990 | License Modified |
| 09/05/1988 | License Modified |
| 03/28/1988 | License Modified |
| 04/10/1987 | License Modified |
| 11/30/1984 | License Modified |
| 11/30/1979 | License Modified |
| 03/29/1978 | License Modified |
| 01/04/1978 | License Modified |