| Date | Action |
| 02/18/2001 | License Status Set to Expired |
| 06/18/2000 | Renewal Reminder Letter Sent |
| 10/29/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 12/03/1997 | Internal Correction Applied |
| 04/15/1997 | Internal Correction Applied |
| 04/11/1997 | Internal Correction Applied |
| 04/08/1997 | License Assigned (Full Assignment) |
| 07/27/1995 | License Renewed |
| 09/13/1990 | License Modified |
| 08/01/1990 | License Modified |
| 10/18/1985 | License Modified |
| 10/18/1985 | License Modified |
| 04/20/1982 | License Modified |
| 06/01/1978 | License Modified |