| Date | Action |
| 05/28/2003 | License Canceled |
| 10/09/2001 | License Assigned (Full Assignment) |
| 02/10/2000 | License Renewed |
| 11/13/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 08/05/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 07/21/1999 | Internal Correction Applied |
| 03/10/1995 | Internal Correction Applied |
| 03/06/1995 | Internal Correction Applied |
| 01/27/1995 | License Renewed |
| 02/08/1990 | License Modified |
| 01/05/1990 | License Modified |
| 01/03/1990 | License Modified |
| 01/04/1985 | License Modified |
| 02/20/1980 | License Renewed |