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)).

   4,560,246, Reexam. No. 90/004,728, Aug. 20, 1997, Cl. 359/156,
OPTICAL TRANSMISSION, David Cotter, Owner of Record: British
Telecommunications Public Limited Co., London, United Kingdom, Attorney
or Agent: Nixon & Vanderhye, Arlington, Va., Ex. Gp.: 2607, Requester:
Owner

   4,699,848, Reexam. No. 90/004,729, Aug. 22, 1997, Cl. 428/560,
COMPOSITION OF ABRASION-RESISTANT MATERIAL FOR APPLICATION TO A SURFACE,
Guy Maybon, Technogenia S A, Saint Jorioz, France, Attorney or Agent:
William H. Eilberg, Jenkintown, Pa., Ex. Gp.: 2204, Requester: Andrew J.
Patch, Young & Thompson, Arlington, Va.

   4,982,900, Reexam. No. 90/004,730, Aug. 22, 1997, Cl. 239/333,
TRIGGER SPRAYER, WILLIAM S. BLAKE,  Owner of Record: None,  Attorney or
Agent: Inventor, Ex. Gp.: 3104, Requester: Lawrence R. Radanovic, Watson
Cole Stevens & Davis, Washington, D.C.

   5,333,675, Reexam. No. 90/004,726, Aug. 18, 1997, Cl. 165/268,
APPARATUS AND METHOD FOR PERFORMING AUTOMATED AMPLIFICATION OF NUCLEIC
ACID SEQUENCES AND ASSAYS USING HEATING AND COOLING STEPS, Kary B.
Mullis, et. al., Owner of Record: The Perkin-Elmer Corp., Norwalk,
Conn., Attorney or Agent: Fish & Richardson, New York, N.Y., Ex. Gp.:
3407, Requester: Terrance L. Siemens, Arlington, Va.

   5,459,382, Reexam. No. 90/004,727, Aug. 19, 1997, Cl. 318/568.11,
METHOD AND SYSTEM FOR PROVIDING A TACTILE VIRTUAL REALITY AND
MANIPULATOR DEFINING AN INTERFACE DEVICE THEREFOR, Charles J. Jacobus,
et. al., Owner of Record: Cybernet System Corp., Ann Arbor, Mich.,
Attorney or Agent: John G. Posa, Gifford Krass Groh Sprinkle Patmore
Anderson & Citkowski, Birmingham, Mich., Ex. Gp.: 2107, Requester: Owner