| Date | Action |
| 05/06/2001 | License Status Set to Expired |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 04/21/1999 | Internal Correction Applied |
| 06/26/1998 | License Transferred |
| 12/23/1997 | Internal Correction Applied |
| 01/14/1997 | License Transferred |
| 08/30/1995 | License Modified |
| 06/06/1994 | License Assigned (Full Assignment) |
| 05/04/1994 | License Modified |
| 02/17/1994 | License Modified |
| 08/30/1993 | License Transferred |
| 03/28/1991 | License Renewed |
| 01/29/1991 | License Transferred |
| 03/06/1990 | License Assigned (Full Assignment) |
| 02/27/1990 | License Assigned (Full Assignment) |
| 02/27/1990 | License Transferred |
| 07/14/1988 | Application Granted |