| Date | Action |
| 07/28/2004 | License Canceled |
| 04/20/2004 | License Assigned (Full Assignment) |
| 02/12/2003 | Administrative Update Applied |
| 01/15/2003 | Administrative Update Applied |
| 01/14/2003 | Administrative Update Applied |
| 07/21/2002 | License Assigned (Full Assignment) |
| 03/07/2001 | Administrative Update Applied |
| 01/03/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 02/11/1999 | License Transferred |
| 12/05/1997 | License Modified |
| 10/18/1993 | License Modified |
| 09/24/1993 | License Modified |
| 08/08/1991 | License Modified |
| 03/28/1991 | License Modified |
| 10/26/1988 | License Modified |
| 08/11/1988 | License Modified |
| 08/04/1988 | License Modified |
| 06/27/1988 | License Modified |
| 06/23/1988 | License Modified |
| 05/08/1986 | License Modified |
| 03/13/1986 | License Modified |
| 09/26/1985 | License Modified |
| 09/26/1985 | License Modified |
| 05/16/1985 | License Modified |
| 04/17/1985 | License Modified |
| 02/22/1985 | License Modified |
| 02/15/1985 | Application Granted |