| Date | Action |
| 11/14/2000 | License Canceled |
| 07/12/2000 | Administrative Update Applied |
| 02/15/2000 | License Renewed |
| 11/06/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 06/16/1998 | Internal Correction Applied |
| 06/16/1998 | Internal Correction Applied |
| 12/30/1990 | License Modified |
| 01/31/1990 | License Modified |
| 01/16/1990 | License Renewed |
| 04/24/1989 | License Modified |
| 03/22/1989 | License Modified |
| 11/30/1987 | License Modified |
| 10/26/1987 | License Modified |
| 10/08/1987 | License Modified |
| 05/28/1987 | License Modified |
| 05/30/1986 | License Modified |
| 03/31/1986 | Application Granted |