| Date | Action |
| 07/17/2007 | License Canceled |
| 07/31/2006 | License Assigned (Full Assignment) |
| 05/19/2005 | Application Receipt Letter sent |
| 10/20/2004 | License Modified |
| 06/18/2004 | 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 |
| 11/18/1998 | License Modified |
| 05/19/1998 | License Assigned (Full Assignment) |
| 01/26/1998 | License Assigned (Full Assignment) |
| 11/13/1996 | License Modified |
| 02/26/1996 | License Modified |
| 07/13/1995 | Internal Correction Applied |
| 07/11/1995 | Internal Correction Applied |
| 07/11/1995 | License Modified |
| 03/02/1995 | License Issued |