| Date | Action |
| 04/03/2018 | License Renewed |
| 03/26/2018 | Renewal Reminder Letter Sent |
| 04/11/2008 | License Renewed |
| 03/31/2008 | Renewal Reminder Letter Sent |
| 12/11/2006 | License Modified |
| 08/13/1999 | License Converted |
| 01/25/1999 | Internal Correction Applied |
| 03/09/1998 | License Renewed |
| 07/09/1997 | Internal Correction Applied |
| 07/09/1997 | Internal Correction Applied |
| 07/09/1997 | Internal Correction Applied |
| 07/09/1997 | Internal Correction Applied |
| 06/21/1993 | License Modified |
| 09/14/1989 | License Modified |
| 10/19/1984 | License Modified |
| 10/19/1984 | License Renewed |
| 11/21/1979 | License Modified |
| 11/16/1977 | License Renewed |