| Event Date | Event Description |
| Friday, July 13, 2001 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE |
| Friday, July 13, 2001 | ASSIGNED TO EXAMINER |
| Thursday, August 3, 2000 | INQUIRY AS TO SUSPENSION MAILED |
| Wednesday, August 2, 2000 | ASSIGNED TO EXAMINER |
| Thursday, December 17, 1998 | UNRESPONSIVE/DUPLICATE PAPER RECEIVED |
| Tuesday, September 15, 1998 | LETTER OF SUSPENSION MAILED |
| Thursday, June 11, 1998 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, June 1, 1998 | ASSIGNED TO EXAMINER |
| Thursday, December 11, 1997 | INQUIRY AS TO SUSPENSION MAILED |
| Monday, December 8, 1997 | ASSIGNED TO EXAMINER |
| Thursday, May 1, 1997 | LETTER OF SUSPENSION MAILED |
| Friday, April 11, 1997 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, October 11, 1996 | INQUIRY AS TO SUSPENSION MAILED |
| Tuesday, September 17, 1996 | ASSIGNED TO EXAMINER |
| Tuesday, March 12, 1996 | LETTER OF SUSPENSION MAILED |
| Tuesday, December 26, 1995 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, June 20, 1995 | INQUIRY AS TO SUSPENSION MAILED |
| Monday, December 12, 1994 | LETTER OF SUSPENSION MAILED |
| Thursday, May 5, 1994 | INQUIRY AS TO SUSPENSION MAILED |
| Wednesday, October 20, 1993 | LETTER OF SUSPENSION MAILED |
| Wednesday, October 6, 1993 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, April 2, 1993 | INQUIRY AS TO SUSPENSION MAILED |
| Wednesday, September 2, 1992 | LETTER OF SUSPENSION MAILED |
| Wednesday, August 5, 1992 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, February 6, 1992 | INQUIRY AS TO SUSPENSION MAILED |
| Monday, July 29, 1991 | LETTER OF SUSPENSION MAILED |
| Thursday, January 3, 1991 | INQUIRY AS TO SUSPENSION MAILED |
| Friday, June 1, 1990 | LETTER OF SUSPENSION MAILED |
| Tuesday, May 8, 1990 | ASSIGNED TO EXAMINER |
| Monday, April 9, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Monday, April 9, 1990 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, October 6, 1989 | INQUIRY AS TO SUSPENSION MAILED |
| Friday, April 14, 1989 | LETTER OF SUSPENSION MAILED |
| Wednesday, March 29, 1989 | EXAMINERS AMENDMENT MAILED |
| Friday, January 27, 1989 | NON-FINAL ACTION MAILED |
| Thursday, July 21, 1988 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, January 19, 1988 | NON-FINAL ACTION MAILED |
| Wednesday, January 13, 1988 | ASSIGNED TO EXAMINER |