| Date | Action |
| 05/22/2002 | License Canceled |
| 07/06/2001 | Administrative Update Applied |
| 04/25/2001 | Administrative Update Applied |
| 04/25/2001 | Administrative Update Applied |
| 01/18/2001 | License Renewed |
| 12/19/2000 | Renewal Reminder Letter Sent |
| 09/22/2000 | Administrative Update Applied |
| 04/18/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 09/17/1998 | Administrative Update Applied |
| 02/29/1996 | License Modified |
| 03/30/1993 | License Modified |
| 12/02/1988 | License Modified |
| 02/06/1987 | License Modified |
| 11/30/1984 | License Modified |
| 11/19/1984 | License Modified |
| 09/17/1984 | License Modified |
| 08/31/1984 | License Modified |
| 08/22/1984 | License Modified |
| 08/14/1984 | License Modified |
| 06/01/1984 | License Modified |
| 05/25/1984 | License Modified |
| 05/17/1984 | License Modified |
| 04/14/1983 | License Modified |
| 07/23/1982 | License Modified |
| 01/27/1982 | License Modified |
| 04/01/1981 | License Modified |
| 10/31/1978 | License Modified |
| 10/28/1978 | License Modified |