| Date | Action |
| 07/13/2018 | License Canceled |
| 08/17/2012 | License Renewed |
| 08/13/2012 | Renewal Reminder Letter Sent |
| 09/20/2002 | License Renewed |
| 08/12/2002 | Renewal Reminder Letter Sent |
| 01/18/2001 | License Modified |
| 08/13/1999 | License Converted |
| 07/23/1998 | Internal Correction Applied |
| 08/14/1997 | License Renewed |
| 05/06/1996 | Internal Correction Applied |
| 11/03/1992 | License Modified |
| 10/31/1991 | License Modified |
| 12/28/1987 | License Issued |
| 04/25/1986 | License Modified |
| 03/09/1981 | License Modified |
| 09/23/1980 | License Modified |
| 01/23/1979 | License Modified |
| 07/22/1977 | License Modified |
| 07/15/1977 | License Modified |