| Date | Action |
| 11/02/2004 | License Canceled |
| 12/30/2003 | Administrative Update Applied |
| 09/29/2001 | Administrative Update Applied |
| 05/02/2001 | License Renewed |
| 04/16/2001 | Renewal Reminder Letter Sent |
| 07/31/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 01/29/1997 | Internal Correction Applied |
| 01/28/1997 | License Modified |
| 04/30/1996 | License Renewed |
| 11/07/1995 | License Assigned (Full Assignment) |
| 07/08/1991 | License Modified |
| 07/04/1991 | License Modified |
| 07/04/1991 | License Modified |
| 06/04/1991 | License Modified |
| 06/03/1991 | License Modified |
| 05/28/1991 | License Modified |
| 06/13/1986 | License Modified |
| 11/27/1981 | License Issued |