| Event Date | Event Description |
| Wednesday, December 18, 2019 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, March 1, 2017 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Friday, February 5, 2016 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Wednesday, September 23, 2015 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Friday, September 26, 2014 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, September 26, 2014 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Wednesday, March 24, 2010 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, March 10, 2010 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Wednesday, September 30, 2009 | REVIEW OF CORRESPONDENCE COMPLETE |
| Wednesday, January 30, 2008 | CASE FILE IN TICRS |
| Thursday, October 25, 2007 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, January 24, 2007 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Monday, September 13, 2004 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, September 2, 2004 | PAPER RECEIVED |
| Wednesday, October 2, 2002 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Wednesday, October 2, 2002 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Monday, July 15, 2002 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Monday, July 15, 2002 | PAPER RECEIVED |
| Wednesday, September 30, 1998 | REGISTERED - SEC. 8 (6-YR) ACCEPTED |
| Monday, July 13, 1998 | REGISTERED - SEC. 8 (6-YR) FILED |
| Tuesday, July 14, 1992 | REGISTERED-SUPPLEMENTAL REGISTER |
| Tuesday, May 5, 1992 | APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER |
| Thursday, April 23, 1992 | EXAMINER'S AMENDMENT MAILED |
| Wednesday, October 23, 1991 | NON-FINAL ACTION MAILED |
| Wednesday, October 2, 1991 | ASSIGNED TO EXAMINER |