| Date | Action |
| 12/16/2002 | License Canceled |
| 03/13/2001 | License Renewed |
| 02/02/2001 | Administrative Update Applied |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/15/2000 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 02/24/1999 | License Transferred |
| 07/27/1998 | License Transferred |
| 09/19/1997 | License Assigned (Full Assignment) |
| 07/09/1997 | License Modified |
| 02/06/1997 | Internal Correction Applied |
| 01/31/1997 | Internal Correction Applied |
| 01/21/1997 | License Modified |
| 11/22/1996 | License Modified |
| 07/29/1994 | License Transferred |
| 08/12/1993 | License Modified |
| 12/19/1985 | License Modified |
| 06/11/1985 | Application Granted |