| Date | Action |
| 04/29/2000 | License Status Set to Expired |
| 11/06/1999 | Renewal Reminder Letter Sent |
| 08/13/1999 | License Converted |
| 12/30/1997 | Internal Correction Applied |
| 01/24/1995 | Internal Correction Applied |
| 01/24/1995 | License Modified |
| 03/04/1993 | License Modified |
| 01/25/1993 | License Modified |
| 11/29/1985 | License Modified |
| 11/18/1985 | License Modified |
| 11/10/1983 | License Modified |
| 09/23/1983 | License Modified |
| 04/05/1983 | License Modified |
| 09/13/1982 | License Modified |
| 02/19/1982 | License Modified |
| 05/21/1981 | License Modified |
| 07/15/1977 | License Modified |