| Date | Action |
| 05/05/2007 | License Canceled |
| 09/14/2000 | License Renewed |
| 07/09/2000 | 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) |
| 07/31/1995 | License Renewed |
| 10/04/1990 | License Modified |
| 08/25/1990 | License Modified |
| 10/25/1985 | License Modified |
| 04/04/1984 | License Modified |
| 06/03/1982 | License Modified |
| 06/03/1981 | License Modified |
| 10/17/1977 | License Modified |