| Date | Action |
| 11/02/2004 | License Canceled |
| 12/30/2003 | Administrative Update Applied |
| 07/23/2002 | License Renewed |
| 07/01/2002 | Renewal Reminder Letter Sent |
| 09/29/2001 | Administrative Update Applied |
| 07/31/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 07/08/1997 | License Renewed |
| 11/07/1995 | Internal Correction Applied |
| 11/07/1995 | License Assigned (Full Assignment) |
| 09/24/1992 | License Modified |
| 08/18/1992 | License Modified |
| 09/03/1987 | License Modified |
| 11/15/1985 | License Modified |
| 03/02/1981 | License Modified |
| 02/12/1980 | License Issued |