| Date | Action |
| 04/28/2001 | License Canceled |
| 02/21/2001 | Administrative Update Applied |
| 12/21/2000 | Administrative Update Applied |
| 12/19/2000 | Renewal Reminder Letter Sent |
| 05/09/2000 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 12/09/1996 | License Modified |
| 02/12/1996 | License Renewed |
| 03/07/1991 | License Modified |
| 02/13/1991 | License Modified |
| 08/09/1990 | License Modified |
| 07/03/1990 | License Modified |
| 01/12/1988 | License Modified |
| 09/27/1985 | License Modified |
| 09/13/1985 | License Modified |
| 08/24/1984 | License Modified |
| 06/01/1984 | License Modified |
| 05/31/1984 | License Assigned (Full Assignment) |
| 05/02/1984 | License Modified |
| 12/02/1983 | License Issued |