| Date | Action |
| 03/12/2004 | License Canceled |
| 11/10/2000 | License Assigned (Full Assignment) |
| 10/02/2000 | License Transferred |
| 08/29/2000 | License Renewed |
| 06/20/2000 | License Transferred |
| 05/07/2000 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 10/26/1998 | License Modified |
| 02/20/1996 | License Modified |
| 07/05/1995 | License Assigned (Full Assignment) |
| 09/07/1994 | License Transferred |
| 07/18/1994 | License Modified |
| 05/31/1994 | License Assigned (Full Assignment) |
| 05/25/1994 | License Modified |
| 02/03/1993 | License Assigned (Full Assignment) |
| 04/17/1991 | License Renewed |
| 09/18/1990 | Application Granted |