| Date | Action |
| 02/02/2006 | License Canceled |
| 02/02/2006 | Application Receipt Letter sent |
| 05/19/2005 | Application Receipt Letter sent |
| 06/25/2002 | License Assigned (Full Assignment) |
| 10/31/2000 | License Assigned (Full Assignment) |
| 01/21/2000 | License Transferred |
| 08/14/1999 | License Converted |
| 07/06/1999 | License Modified |
| 09/09/1998 | License Modified |
| 05/19/1998 | License Assigned (Full Assignment) |
| 11/14/1997 | License Assigned (Full Assignment) |
| 11/13/1996 | License Modified |
| 02/29/1996 | License Modified |
| 11/29/1994 | Internal Correction Applied |
| 11/22/1994 | License Modified |
| 11/30/1993 | License Issued |