| Date | Action |
| 03/19/2003 | License Canceled |
| 01/23/2002 | Administrative Update Applied |
| 02/17/2001 | License Renewed |
| 08/10/2000 | License Assigned (Full Assignment) |
| 12/18/1999 | Administrative Update Applied |
| 11/16/1999 | Administrative Update Applied |
| 10/23/1999 | Administrative Update Applied |
| 08/14/1999 | License Converted |
| 03/14/1996 | License Renewed |
| 11/29/1994 | Internal Correction Applied |
| 11/14/1994 | License Assigned (Full Assignment) |
| 05/16/1991 | License Modified |
| 04/06/1991 | License Modified |
| 07/06/1990 | License Modified |
| 06/25/1990 | License Modified |
| 05/30/1986 | License Issued |