| Event Date | Event Description |
| Wednesday, July 17, 1991 | ABANDONMENT - EXPRESS MAILED |
| Monday, June 10, 1991 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, May 1, 1991 | LETTER OF SUSPENSION MAILED |
| Tuesday, April 30, 1991 | ASSIGNED TO EXAMINER |
| Tuesday, March 5, 1991 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, September 12, 1990 | LETTER OF SUSPENSION MAILED |
| Friday, August 31, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, March 12, 1990 | LETTER OF SUSPENSION MAILED |
| Tuesday, February 20, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, February 9, 1990 | INQUIRY AS TO SUSPENSION MAILED |
| Thursday, February 8, 1990 | ASSIGNED TO EXAMINER |
| Monday, August 21, 1989 | LETTER OF SUSPENSION MAILED |
| Friday, July 28, 1989 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, August 1, 1989 | INQUIRY AS TO SUSPENSION MAILED |
| Thursday, January 26, 1989 | LETTER OF SUSPENSION MAILED |
| Wednesday, January 25, 1989 | ASSIGNED TO EXAMINER |
| Wednesday, December 14, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, June 29, 1988 | LETTER OF SUSPENSION MAILED |
| Monday, May 2, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, October 27, 1987 | LETTER OF SUSPENSION MAILED |
| Thursday, September 24, 1987 | EXAMINER'S AMENDMENT MAILED |
| Thursday, September 3, 1987 | ASSIGNED TO EXAMINER |
| Wednesday, September 2, 1987 | ASSIGNED TO EXAMINER |