| Event Date | Event Description |
| Monday, February 15, 1999 | CANCELLED SEC. 8 (6-YR) |
| Tuesday, August 11, 1992 | REGISTERED-SUPPLEMENTAL REGISTER |
| Monday, November 4, 1991 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, October 15, 1991 | EXAMINER'S AMENDMENT MAILED |
| Saturday, October 5, 1991 | DIVISIONAL PROCESSING COMPLETE |
| Wednesday, August 21, 1991 | NON-FINAL ACTION MAILED |
| Monday, June 10, 1991 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Friday, December 28, 1990 | INQUIRY AS TO SUSPENSION MAILED |
| Friday, June 8, 1990 | LETTER OF SUSPENSION MAILED |
| Wednesday, June 6, 1990 | ASSIGNED TO EXAMINER |
| Tuesday, May 29, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, May 2, 1990 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, October 24, 1989 | LETTER OF SUSPENSION MAILED |
| Friday, September 22, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, June 22, 1989 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, December 6, 1988 | LETTER OF SUSPENSION MAILED |
| Tuesday, December 6, 1988 | ASSIGNED TO EXAMINER |
| Thursday, November 17, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, May 12, 1988 | NON-FINAL ACTION MAILED |
| Thursday, February 11, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, August 14, 1987 | NON-FINAL ACTION MAILED |
| Tuesday, August 4, 1987 | ASSIGNED TO EXAMINER |