| Date | Action |
| 12/10/2005 | License Canceled |
| 01/24/2003 | License Modified |
| 12/16/1999 | Administrative Update Applied |
| 10/29/1999 | License Renewed |
| 09/04/1999 | Generate Renewal Reminder Letter |
| 08/13/1999 | License Converted |
| 08/04/1998 | License Modified |
| 02/05/1998 | Internal Correction Applied |
| 07/05/1996 | License Modified |
| 01/30/1996 | License Modified |
| 11/09/1995 | License Modified |
| 05/12/1995 | License Modified |
| 11/18/1994 | Internal Correction Applied |
| 11/17/1994 | License Modified |
| 12/31/1992 | License Modified |
| 04/18/1991 | License Modified |
| 02/08/1991 | License Modified |
| 11/13/1989 | License Modified |
| 10/26/1989 | License Modified |
| 05/16/1986 | License Modified |
| 04/21/1986 | License Modified |
| 01/10/1986 | License Modified |
| 11/12/1985 | License Modified |
| 10/11/1985 | License Modified |
| 09/30/1985 | License Modified |
| 12/14/1984 | License Modified |
| 12/07/1979 | License Issued |