| Date | Action |
| 05/10/2003 | License Canceled |
| 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 |
| 01/23/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 03/29/1999 | Internal Correction Applied |
| 02/11/1999 | License Transferred |
| 04/01/1991 | License Renewed |
| 02/01/1990 | License Modified |
| 08/11/1988 | License Modified |
| 08/11/1988 | License Modified |
| 07/28/1988 | License Modified |
| 07/28/1988 | License Modified |
| 07/07/1988 | License Modified |
| 01/30/1986 | License Modified |
| 09/12/1985 | Application Granted |