| Date | Action |
| 05/08/2003 | License Canceled |
| 12/24/2002 | License Transferred |
| 06/06/2002 | License Renewed |
| 05/20/2002 | Renewal Reminder Letter Sent |
| 12/20/2000 | Administrative Update Applied |
| 12/20/2000 | Administrative Update Applied |
| 12/16/2000 | Administrative Update Applied |
| 12/16/2000 | Administrative Update Applied |
| 12/15/2000 | Administrative Update Applied |
| 08/10/2000 | Administrative Update Applied |
| 07/29/2000 | Administrative Update Applied |
| 05/15/2000 | License Assigned (Full Assignment) |
| 08/14/1999 | License Converted |
| 09/17/1997 | Internal Correction Applied |
| 05/22/1997 | License Renewed |
| 10/30/1996 | Internal Correction Applied |
| 10/29/1996 | License Assigned (Full Assignment) |
| 08/14/1992 | License Modified |
| 11/15/1990 | License Modified |
| 10/03/1990 | License Modified |
| 10/18/1985 | License Modified |
| 04/27/1984 | License Modified |
| 04/16/1984 | License Modified |
| 10/17/1979 | License Modified |
| 02/10/1978 | License Modified |
| 08/08/1977 | License Modified |