| Event Date | Event Description |
| Saturday, January 2, 2010 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Wednesday, June 17, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, June 10, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, May 13, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, February 18, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, January 21, 2009 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, January 21, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, January 21, 2009 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, January 14, 2009 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, August 20, 2008 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, August 20, 2008 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, August 20, 2008 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, June 18, 2008 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, April 2, 2008 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, October 25, 2006 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Tuesday, October 26, 2004 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, August 30, 2004 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Monday, August 30, 2004 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Monday, August 30, 2004 | PAPER RECEIVED |
| Tuesday, June 1, 1999 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, March 9, 1999 | PUBLISHED FOR OPPOSITION |
| Friday, February 5, 1999 | NOTICE OF PUBLICATION |
| Wednesday, November 25, 1998 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, November 25, 1998 | ASSIGNED TO EXAMINER |