| Date | Action |
| 04/09/2011 | License Status Set to Expired |
| 11/08/2010 | Renewal Reminder Letter Sent |
| 07/16/2008 | Internal Correction Applied |
| 07/16/2008 | Internal Correction Applied |
| 10/18/2004 | Construction/Coverage Reminder Letter Sent |
| 07/15/2003 | License Modified |
| 03/15/2001 | Authorization Printed |
| 03/14/2001 | Internal Correction Applied |
| 03/14/2001 | Internal Duplicate Requested |
| 03/09/2001 | Authorization Printed |
| 03/08/2001 | Internal Correction Applied |
| 03/08/2001 | Internal Correction Applied |
| 03/08/2001 | Internal Duplicate Requested |
| 02/21/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 04/04/2000 | License Modified |
| 08/27/1999 | License Converted |
| 08/13/1999 | License Converted |
| 07/15/1999 | Internal Correction Applied |
| 06/08/1999 | Application Granted |
| 01/14/1997 | License Assigned (Full Assignment) |
| 04/17/1995 | License Modified |
| 10/15/1993 | License Modified |
| 09/29/1993 | License Modified |
| 04/17/1991 | License Renewed |
| 02/21/1991 | License Modified |
| 09/14/1990 | License Modified |
| 07/18/1990 | Application Granted |