| Date | Action |
| 11/03/2001 | License Canceled |
| 07/11/2000 | Administrative Update Applied |
| 02/15/2000 | License Renewed |
| 11/06/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 05/20/1998 | Internal Correction Applied |
| 05/19/1998 | Internal Correction Applied |
| 07/10/1990 | License Modified |
| 01/16/1990 | License Renewed |
| 10/20/1988 | License Modified |
| 04/01/1988 | License Modified |
| 01/07/1988 | License Modified |
| 08/13/1987 | License Modified |
| 09/04/1986 | License Modified |
| 05/16/1985 | License Modified |
| 04/18/1985 | License Modified |
| 12/13/1984 | Application Granted |