| Date | Action |
| 01/05/2007 | License Canceled |
| 04/20/2001 | License Assigned (Full Assignment) |
| 02/14/2001 | Administrative Update Applied |
| 11/14/2000 | License Renewed |
| 07/30/2000 | 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 |
| 11/07/1995 | License Assigned (Full Assignment) |
| 12/20/1990 | License Modified |
| 03/05/1990 | License Modified |
| 07/27/1987 | License Modified |
| 11/09/1984 | License Modified |
| 03/02/1984 | License Modified |
| 02/03/1984 | License Modified |
| 12/02/1983 | License Modified |
| 10/06/1980 | License Modified |
| 12/20/1979 | License Modified |
| 11/28/1979 | License Modified |
| 11/28/1979 | License Modified |