| Date | Action |
| 04/09/2011 | License Status Set to Expired |
| 11/08/2010 | Renewal Reminder Letter Sent |
| 04/27/2001 | License Assigned (Full Assignment) |
| 02/21/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 11/09/1999 | License Transferred |
| 08/13/1999 | License Converted |
| 08/09/1999 | Internal Correction Applied |
| 03/26/1999 | Internal Correction Applied |
| 10/03/1994 | License Modified |
| 01/19/1994 | License Transferred |
| 03/16/1993 | License Modified |
| 06/19/1992 | License Transferred |
| 10/05/1988 | License Modified |
| 04/09/1987 | License Modified |
| 01/12/1987 | License Modified |
| 05/20/1986 | License Modified |
| 05/20/1986 | License Modified |
| 02/27/1986 | License Modified |
| 10/29/1985 | Application Granted |