| Date | Action |
| 09/08/2000 | License Canceled |
| 06/12/2000 | Renewal Reminder Letter Sent |
| 11/13/1999 | Administrative Update Applied |
| 11/13/1999 | Administrative Update Applied |
| 08/13/1999 | License Converted |
| 06/23/1999 | License Assigned (Full Assignment) |
| 10/24/1995 | Internal Correction Applied |
| 10/24/1995 | License Assigned (Full Assignment) |
| 09/07/1995 | Internal Correction Applied |
| 09/07/1995 | License Renewed |
| 06/30/1995 | License Renewed |
| 08/30/1990 | License Modified |
| 02/27/1990 | License Modified |
| 02/15/1990 | License Modified |
| 08/04/1989 | License Modified |
| 07/25/1989 | License Modified |
| 09/21/1984 | License Modified |
| 09/11/1984 | License Modified |
| 09/30/1979 | License Modified |