| Date | Action |
| 01/17/2004 | License Canceled |
| 01/19/2002 | License Renewed |
| 10/29/2001 | Renewal Reminder Letter Sent |
| 04/21/2000 | Administrative Update Applied |
| 03/02/2000 | Administrative Update Applied |
| 12/23/1999 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 04/29/1999 | License Assigned (Full Assignment) |
| 11/26/1996 | License Renewed |
| 01/23/1992 | License Modified |
| 12/16/1991 | License Modified |
| 02/27/1987 | License Modified |
| 04/04/1984 | License Modified |
| 04/15/1982 | License Modified |
| 02/16/1982 | License Modified |
| 08/23/1977 | License Renewed |