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)).

   4,925,723, Reexam. S.N. 90/005,848, Oct. 18, 2000, Cl. 428/137,
MICROWAVE INTEGRATED CIRCUIT SUBSTRATE INCLUDING METAL FILLED VIA HOLES
AND METHOD OF MANUFACTURE, Marina Bujatti, et. al., Owner of Record:
Microwave Power Inc., Santa Clara, CA, Attorney or Agent: Paul R.
Martin, San Rafael, CA, Ex. Gp.: 1772, Requester: Owner

   5,636,292, Reexam. S.N. 90/005,827, Oct. 20, 2000, Cl. 382/232,
STEGANOGRAPHY METHODS EMPLOYING EMBEDDED CALIBRATION DATA, Geoffrey B.
Rhoads, Owner of Record: Digimarc Corp., Portland, OR, Attorney or
Agent: Klarquist Sparkman Campbell Leigh & Whinston, Portland, OR, Ex.
Gp.: 2621, Requester: Howard M. Cohn, Cleveland, OH

   5,832,119, Reexam. S.N. 90/005,828, Oct. 20, 2000, Cl. 382/232,
METHODS FOR CONTROLLING SYSTEMS USING CONTROL SIGNALS EMBEDDED IN
EMPIRICAL DATA, Geoffrey B. Rhoads, Owner of Record: Digimarc Corp.,
Portland, OR, Attorney or Agent: Klarquist Sparkman Campbell Leigh &
Whinston, Portland, OR, Ex. Gp.: 2621, Requester: Howard M. Cohn,
Cleveland, OH

   5,841,810, Reexam. S.N. 90/005,847, Oct. 17, 2000, Cl. 375/232,
MULTIPLE STAGE ADAPTIVE EQUALIZER, Hee Wong, et. al., Owner of Record:
National Semiconductor Corp., Santa Clara, CA, Attorney or Agent: Mark
A. Dalla Valle, Baker and McKenzie, San Francisco, CA, Ex. Gp.: 2631,
Requester: Owner

   5,850,481, Reexam. S.N. 90/005,829, Oct. 20, 2000, Cl. 382/232,
STEGANOGRAPHIC SYSTEM, Geoffrey B. Rhoads, Owner of Record: Digimarc
Corp., Portland, OR, Attorney or Agent: Klarquist Sparkman Campbell
Leigh & Whinston, Portland, OR, Ex. Gp.: 2621, Requester: Howard M.
Cohn, Cleveland, OH

   5,868,707, Reexam. S.N. 90/005,849, Oct. 24, 2000, Cl. 604/103,
PROTECTIVE SHEATH FOR CATHETER BALLOONS, Kerry Williams, et. al., Owner
of Record: Advanced Cardiovascular Systems, Inc., Santa Clara, CA,
Attorney or Agent: Heller Ehrman White and McAuliffe, Palo Alto, CA, Ex.
Gp.: 3762, Requester: Owner