| Date | Action |
| 04/10/2001 | License Canceled |
| 12/16/2000 | Administrative Update Applied |
| 04/18/2000 | License Transferred |
| 04/18/2000 | License Transferred |
| 01/19/2000 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 06/11/1999 | Internal Correction Applied |
| 03/18/1999 | Internal Correction Applied |
| 01/26/1999 | Internal Correction Applied |
| 09/17/1998 | Administrative Update Applied |
| 03/28/1998 | Internal Correction Applied |
| 03/28/1998 | License Renewed |
| 11/17/1994 | License Modified |
| 04/01/1993 | License Modified |
| 02/23/1993 | License Modified |
| 05/16/1988 | License Modified |
| 06/17/1983 | License Issued |