| Date | Action |
| 04/09/2004 | License Canceled |
| 08/20/2003 | Administrative Update Applied |
| 10/05/2001 | Administrative Update Applied |
| 08/31/2001 | Administrative Update Applied |
| 02/25/2000 | License Renewed |
| 01/03/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 08/08/1996 | Internal Correction Applied |
| 02/24/1995 | License Renewed |
| 01/12/1990 | License Modified |
| 06/14/1985 | License Modified |
| 06/10/1985 | License Modified |
| 05/20/1985 | License Modified |
| 09/09/1983 | License Modified |
| 08/30/1983 | License Modified |
| 02/18/1983 | License Modified |
| 02/24/1982 | License Issued |