| Date | Action |
| 07/11/2001 | License Canceled |
| 07/12/2000 | Administrative Update Applied |
| 02/15/2000 | License Renewed |
| 11/06/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 06/01/1998 | Internal Correction Applied |
| 05/21/1996 | Internal Correction Applied |
| 06/28/1991 | License Modified |
| 07/10/1990 | License Modified |
| 01/16/1990 | License Renewed |
| 02/15/1989 | License Modified |
| 08/09/1988 | License Modified |
| 10/26/1987 | License Modified |
| 02/20/1987 | License Modified |
| 12/22/1986 | License Modified |
| 11/25/1986 | License Modified |
| 10/29/1986 | License Modified |
| 05/30/1986 | License Modified |
| 09/30/1985 | License Modified |
| 09/26/1985 | Application Granted |