| Date | Action |
| 04/27/2005 | License Canceled |
| 12/30/2003 | Administrative Update Applied |
| 09/29/2001 | Administrative Update Applied |
| 09/20/2000 | License Renewed |
| 08/13/2000 | Renewal Reminder Letter Sent |
| 07/31/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 01/20/1998 | License Modified |
| 09/09/1996 | License Assigned (Full Assignment) |
| 04/30/1996 | Internal Correction Applied |
| 04/30/1996 | License Assigned (Full Assignment) |
| 09/27/1995 | License Renewed |
| 10/11/1990 | License Modified |
| 09/01/1990 | License Modified |
| 11/08/1985 | License Modified |
| 10/17/1980 | License Issued |