| Date | Action |
| 04/13/2004 | License Canceled |
| 02/20/2004 | Administrative Update Applied |
| 11/07/2001 | License Renewed |
| 10/22/2001 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 03/23/1999 | License Assigned (Full Assignment) |
| 09/17/1998 | Administrative Update Applied |
| 01/09/1997 | License Renewed |
| 11/20/1995 | Internal Correction Applied |
| 11/07/1995 | Internal Correction Applied |
| 08/13/1992 | License Modified |
| 07/06/1992 | License Modified |
| 09/03/1987 | License Modified |
| 08/24/1987 | License Modified |
| 08/04/1987 | License Modified |
| 04/14/1983 | License Modified |
| 05/04/1982 | License Modified |
| 01/19/1978 | License Modified |