| Date | Action |
| 12/16/2002 | License Canceled |
| 11/23/2002 | Administrative Update Applied |
| 01/08/2002 | License Renewed |
| 01/01/2002 | License Assigned (Full Assignment) |
| 11/13/2001 | Renewal Reminder Letter Sent |
| 06/09/2000 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 08/02/1999 | License Modified |
| 01/29/1998 | License Modified |
| 01/07/1997 | License Renewed |
| 02/07/1992 | License Modified |
| 02/06/1992 | License Modified |
| 01/28/1992 | License Modified |
| 12/31/1991 | License Modified |
| 01/29/1990 | License Modified |
| 05/27/1987 | License Modified |
| 05/19/1987 | License Modified |
| 11/15/1985 | License Modified |
| 11/01/1985 | License Modified |
| 07/05/1985 | License Modified |
| 06/24/1985 | License Modified |
| 07/15/1982 | License Modified |
| 11/16/1977 | License Renewed |
| 07/29/1977 | License Issued |