Requests for Reexamination Filed

   Notice under 37 CFR 1.11(c). The requests for reexamination listed
below are open to inspection by the general public in the indicated
Examining Groups. Copies of the requests and related papers may be
obtained by paying the fee therefor established in the Rules (37 CFR
1.19(a)).
   In the event correspondence to the patent owner is not received, this
notice will be considered to be constructive notice to the patent owner
and reexamination will proceed (37 CFR 1.248(a)(5) and 1.525(b)).

   5,175,755, Reexam. No. 90/005,772, July 17, 2000, Cl. 378/034, USE OF
A KUMAKHOV LENS FOR X-RAY LITHOGRAPHY, Muradin A. Kumakhov, Owner of
Record: X Ray Optical Systems, Albany, NY, Attorney or Agent: Owner, Ex.
Gp.: 2876, Requester: Collard and Roe, Roslyn, NY

   5,346,306, Reexam. No. 90/005,770, July 14, 2000, Cl. 374/010, METHOD
AND APPARATUS FOR MODULATED DIFFERENTIAL ANALYSIS, Michael Reading, et.
al., Owner of Record: Ta Instruments, Inc., New Castle, DE,  Attorney or
Agent: Aslan Badhdadi, Shaw Pittman, Washington, DC, Ex. Gp.: 2859,
Requester: Perkin-Elmer, Norwalk, CT; Lawrence B. Goodwin, Orrick,
Herrington, and Sutcliffe, New York, NY

   5,645,176, Reexam. No. 90/005,771, July 14, 2000, Cl. 211/059.2,
DISPLAY RACK WITH CHANNEL FRONT MEMBER, Richard Jay, Owner of Record:
Display Technologies, LLC., College Point, NY,  Attorney or Agent:
Kenneth P. George, Amster Rothstein and Ebenstein, New York, NY, Ex.
Gp.: 3634, Requester: Owner

   5,761,648, Reexam. No. 90/005,773, July 17, 2000, Cl. 705/014,
INTERACTIVE NETWORK AND PROCESS USING ELECTRONIC CERTIFICATES, Steven M.
Golden, et. al., Owner of Record: Coolsavings.com, Inc., Chicago, IL,
Attorney or Agent: Niro Scavone Haller and Niro, Chicago, IL, Ex. Gp.:
2761, Requester: Catalina Marketing International, Inc., St. Petersburg,
FL; c/o Harold N. Wells, Jenkins and Gilchrist, Chicago, IL

   6,004,191, Reexam. No. 90/005,769, July 13, 2000, Cl. 451/060,
PARTICULATE MATTER DELIVERY DEVICE, Henry B. Schur, et. al., Owner of
Record: Simplex Medical Systems, Inc., Hallandale, FL, Attorney or
Agent: Robert J. Van Der Wall, Miami, FL, Ex. Gp.: 3723, Requester:
Anton J. Hopen, Smith and Hopen, Clearwater, FL