| Date | Action |
| 03/12/2003 | License Canceled |
| 12/28/2002 | License Assigned (Full Assignment) |
| 10/24/2002 | Internal Correction Applied |
| 03/06/2001 | License Renewed |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 11/10/2000 | License Assigned (Full Assignment) |
| 10/02/2000 | License Transferred |
| 05/31/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 02/27/1997 | Application Granted |
| 10/25/1995 | License Modified |
| 08/09/1995 | License Modified |
| 01/24/1995 | License Modified |
| 01/19/1995 | License Modified |
| 10/12/1994 | License Transferred |
| 10/11/1994 | License Modified |
| 11/15/1993 | License Transferred |
| 10/19/1993 | License Modified |
| 12/22/1992 | License Transferred |
| 12/06/1991 | License Modified |
| 04/17/1991 | License Renewed |
| 06/06/1990 | License Modified |
| 07/29/1988 | License Transferred |
| 04/07/1988 | Application Granted |