| Date | Action |
| 08/23/2000 | License Canceled |
| 04/03/2000 | License Transferred |
| 08/13/1999 | License Converted |
| 10/21/1998 | Internal Correction Applied |
| 10/20/1998 | Internal Correction Applied |
| 10/13/1998 | Internal Correction Applied |
| 09/22/1998 | Internal Correction Applied |
| 10/21/1997 | License Assigned (Full Assignment) |
| 09/12/1994 | License Modified |
| 06/28/1993 | License Transferred |
| 02/22/1993 | License Transferred |
| 02/22/1993 | License Transferred |
| 04/17/1991 | License Renewed |
| 03/15/1991 | License Modified |
| 04/12/1990 | License Modified |
| 02/13/1986 | License Modified |
| 01/04/1985 | Application Granted |