| Date | Action |
| 06/29/2001 | License Canceled |
| 03/29/2001 | Administrative Update Applied |
| 03/03/2001 | License Renewed |
| 02/08/2001 | License Assigned (Full Assignment) |
| 02/04/2001 | Renewal Reminder Letter Sent |
| 04/06/2000 | Administrative Update Applied |
| 04/06/2000 | Administrative Update Applied |
| 04/05/2000 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 02/20/1996 | License Renewed |
| 05/02/1991 | License Modified |
| 03/25/1991 | License Modified |
| 03/21/1986 | License Modified |
| 03/17/1986 | License Modified |
| 05/27/1981 | License Modified |
| 09/19/1978 | License Modified |
| 11/10/1977 | License Modified |
| 08/23/1977 | License Renewed |