| Date | Action |
| 08/08/2003 | License Canceled |
| 06/12/2003 | Administrative Update Applied |
| 05/16/2003 | License Transferred |
| 04/23/2002 | Administrative Update Applied |
| 04/18/2001 | License Assigned (Full Assignment) |
| 03/08/2001 | License Renewed |
| 02/14/2001 | Administrative Update Applied |
| 12/10/2000 | Renewal Reminder Letter Sent |
| 11/13/1999 | Administrative Update Applied |
| 11/13/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 06/23/1999 | License Assigned (Full Assignment) |
| 01/30/1998 | License Modified |
| 02/08/1996 | License Renewed |
| 10/20/1995 | License Assigned (Full Assignment) |
| 03/15/1991 | License Modified |
| 04/11/1986 | License Modified |
| 04/11/1986 | License Modified |
| 12/09/1981 | License Modified |
| 02/28/1980 | License Modified |
| 10/17/1977 | License Modified |