| Date | Action |
| 03/27/2003 | License Canceled |
| 11/30/2001 | Administrative Update Applied |
| 07/12/2000 | Administrative Update Applied |
| 02/15/2000 | License Renewed |
| 11/06/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 06/18/1998 | Internal Correction Applied |
| 01/16/1990 | License Renewed |
| 03/02/1989 | License Modified |
| 10/27/1988 | License Modified |
| 08/11/1988 | License Modified |
| 02/19/1988 | License Modified |
| 01/22/1988 | License Modified |
| 10/22/1987 | License Modified |
| 05/08/1987 | License Modified |
| 02/12/1987 | License Modified |
| 01/15/1987 | License Modified |
| 12/12/1985 | License Modified |
| 03/28/1985 | Application Granted |