| Date | Action |
| 03/11/2004 | License Canceled |
| 03/28/2003 | Administrative Update Applied |
| 03/26/2003 | Administrative Update Applied |
| 03/15/2003 | Administrative Update Applied |
| 12/31/2002 | License Assigned (Full Assignment) |
| 08/30/2002 | License Transferred |
| 06/19/2001 | License Renewed |
| 03/26/2001 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 06/26/1997 | Internal Correction Applied |
| 06/04/1997 | Internal Correction Applied |
| 06/05/1996 | License Modified |
| 07/30/1992 | License Modified |
| 06/26/1992 | License Modified |
| 08/17/1987 | License Issued |
| 06/05/1987 | License Modified |
| 05/27/1987 | License Modified |
| 06/29/1984 | License Modified |
| 03/16/1984 | License Modified |
| 06/03/1983 | License Modified |
| 04/15/1982 | License Modified |
| 11/22/1978 | License Modified |
| 07/15/1977 | License Modified |