| Date | Action |
| 03/08/2000 | License Canceled |
| 12/30/1999 | License Transferred |
| 08/14/1999 | License Converted |
| 07/13/1999 | License Assigned (Full Assignment) |
| 06/14/1999 | License Assigned (Full Assignment) |
| 04/26/1999 | Internal Correction Applied |
| 02/01/1999 | Administrative Update Applied |
| 12/17/1998 | Internal Correction Applied |
| 12/16/1998 | Internal Correction Applied |
| 12/14/1998 | Internal Correction Applied |
| 12/10/1998 | Internal Correction Applied |
| 11/03/1998 | Internal Correction Applied |
| 05/08/1997 | Internal Correction Applied |
| 08/14/1986 | Application Granted |