| Date | Action |
| 03/19/2003 | License Canceled |
| 01/23/2002 | Administrative Update Applied |
| 03/02/2001 | License Renewed |
| 02/19/2001 | Renewal Reminder Letter Sent |
| 08/10/2000 | License Assigned (Full Assignment) |
| 12/18/1999 | Administrative Update Applied |
| 11/16/1999 | Administrative Update Applied |
| 10/23/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 06/10/1998 | License Modified |
| 03/14/1996 | License Renewed |
| 12/01/1994 | Internal Correction Applied |
| 11/29/1994 | Internal Correction Applied |
| 11/17/1994 | License Assigned (Full Assignment) |
| 05/16/1991 | License Modified |
| 04/10/1991 | License Modified |
| 06/08/1990 | License Modified |
| 06/01/1990 | License Modified |
| 05/30/1986 | License Modified |
| 12/28/1984 | License Modified |
| 09/07/1984 | License Issued |