| Date | Action |
| 08/22/2003 | License Canceled |
| 03/15/2002 | License Renewed |
| 01/22/2002 | Renewal Reminder Letter Sent |
| 07/12/2001 | Administrative Update Applied |
| 12/15/2000 | Administrative Update Applied |
| 05/09/2000 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 08/26/1998 | Application Granted |
| 01/27/1998 | License Modified |
| 02/04/1997 | License Renewed |
| 03/22/1996 | License Modified |
| 04/16/1992 | License Modified |
| 03/09/1992 | License Modified |
| 05/22/1987 | License Modified |
| 05/02/1986 | License Modified |
| 01/21/1983 | License Modified |
| 04/13/1978 | License Modified |
| 08/23/1977 | License Renewed |