| Date | Action |
| 01/21/2005 | License Canceled |
| 04/20/2004 | License Assigned (Full Assignment) |
| 01/10/2004 | Administrative Update Applied |
| 02/12/2003 | Administrative Update Applied |
| 01/15/2003 | Administrative Update Applied |
| 01/14/2003 | Administrative Update Applied |
| 07/21/2002 | License Assigned (Full Assignment) |
| 03/07/2001 | Administrative Update Applied |
| 02/21/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 08/14/1999 | License Converted |
| 04/26/1999 | Internal Correction Applied |
| 02/11/1999 | License Transferred |
| 06/15/1998 | License Modified |
| 06/11/1996 | License Modified |
| 11/08/1993 | License Modified |
| 03/19/1992 | License Modified |
| 04/01/1991 | License Renewed |
| 08/16/1990 | License Modified |
| 02/01/1990 | License Modified |
| 01/22/1990 | License Modified |
| 12/07/1989 | License Modified |
| 12/05/1988 | License Modified |
| 08/04/1988 | License Modified |
| 08/04/1988 | License Modified |
| 07/07/1988 | License Modified |
| 10/27/1986 | License Modified |
| 10/23/1986 | License Modified |
| 01/30/1986 | License Modified |
| 11/05/1985 | License Modified |
| 09/26/1985 | License Modified |
| 09/26/1985 | License Modified |
| 09/26/1985 | License Modified |
| 09/12/1985 | License Modified |
| 02/08/1985 | License Modified |
| 12/19/1984 | License Modified |
| 11/09/1984 | Application Granted |
| 11/09/1984 | License Modified |