| Date | Action |
| 05/06/2001 | License Status Set to Expired |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/24/2000 | License Transferred |
| 06/27/2000 | License Assigned (Full Assignment) |
| 04/18/2000 | Internal Correction Applied |
| 08/14/1999 | License Converted |
| 12/23/1997 | Internal Correction Applied |
| 05/22/1997 | Internal Correction Applied |
| 05/20/1997 | Internal Correction Applied |
| 09/20/1996 | License Assigned (Full Assignment) |
| 04/23/1996 | License Assigned (Full Assignment) |
| 08/16/1995 | License Assigned (Full Assignment) |
| 06/28/1994 | License Transferred |
| 03/29/1991 | Application Granted |
| 03/07/1991 | License Issued |