| Date | Action |
| 05/06/2001 | License Status Set to Expired |
| 11/13/2000 | Renewal Reminder Letter Sent |
| 02/26/2000 | License Assigned (Full Assignment) |
| 08/13/1999 | License Converted |
| 04/07/1998 | Internal Correction Applied |
| 04/07/1998 | Internal Correction Applied |
| 04/07/1998 | Internal Correction Applied |
| 01/29/1998 | License Assigned (Full Assignment) |
| 08/17/1994 | License Assigned (Full Assignment) |
| 06/28/1993 | License Transferred |
| 09/11/1992 | License Transferred |
| 04/17/1991 | License Renewed |
| 06/17/1988 | License Modified |
| 02/26/1986 | License Modified |
| 09/26/1985 | License Modified |
| 07/23/1985 | Application Granted |