| Event Date | Event Description |
| Wednesday, January 15, 2020 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Thursday, May 19, 2016 | CANCELLED SEC. 8 (10-YR) |
| Wednesday, May 14, 2014 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, May 7, 2014 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Tuesday, November 1, 2011 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Wednesday, October 5, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, October 5, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, October 5, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, August 31, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, August 10, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, August 3, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, July 27, 2011 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY |
| Wednesday, April 20, 2005 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Wednesday, April 20, 2005 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Wednesday, April 20, 2005 | ASSIGNED TO PARALEGAL |
| Thursday, February 24, 2005 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Thursday, February 24, 2005 | PAPER RECEIVED |
| Tuesday, August 14, 1990 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Thursday, June 7, 1990 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Tuesday, March 26, 1985 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, January 15, 1985 | PUBLISHED FOR OPPOSITION |
| Wednesday, January 2, 1985 | NOTICE OF PUBLICATION |
| Thursday, December 6, 1984 | NOTICE OF PUBLICATION |
| Friday, November 16, 1984 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, November 5, 1984 | ASSIGNED TO EXAMINER |