Requests for Reexaminations 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)).

   Re. 34,308, Reexam. No. 90/003,788, Apr. 10, 1995, Cl. 340/679, RUPTURE
DISK ALARM SYSTEM, Leonard K. Thompson, et. al., Owner of Record:
Continental Disk Corp., Kansas City, Mo.,  Attorney or Agent: Paul
Krieger, Pravel, Hewitt, Kimball & Krieger, Houston, Tex., Ex. Gp.: 2617,
Requester: B & B Safety Systems, Tulsa, Okla.

   4,421,574, Reexam. No. 90/003,791, Feb. 21, 1995, Cl. 148/111, METHOD
FOR SUPPRESSING INTERNAL OXIDATION IN STEEL WITH ANTIMONY ADDITION,
Grigory Lyudkovsky, Owner of Record: Inland Steel Co., Chicago, Ill.,
Attorney or Agent: Alvin D. Shulman, Marshall, O'Toole, Gerstein, Murray &
Borlin, Chicago, Ill., Ex. Gp.: 1311, Requester: USX Corp., Pittsburgh, Pa.

   4,483,905, Reexam. No. 90/003,795, Apr. 17, 1995, Cl. 428/570,
HOMOGENEOUS IRON BASED POWDER MIXTURES FREE OF SEGREGATION, Ulf F.I.
Engstrom, Owner of Record: Hoganas AG, Hoganas, Sweden,  Attorney or
Agent: Burns, Doane Swecker & Mathis, Alexandria, Va., Ex. Gp.: 1103,
Requester: Kensaburo Takisawa, c/o Fisher & Associates, Alexandria, Va.

   4,615,806, Reexam. No. 90/003,792, Apr. 12, 1995, Cl. 210/690, REMOVAL
OF IODIDE COMPOUNDS FROM NON-AQUEOUS ORGANIC MEDIA, Charles B. Hilton,
Owner of Record: Hoechst Celanese Corp., Summit, N.J.,  Attorney or Agent:
Michael W. Ferrell, Hoeschst Celanese Corp., Summit, N.J., Ex. Gp.: 1308,
Requester: BP Chemicals, Ltd., c/o Brooks Haidt Haffner & Delahunty, New
York, N.Y.

   5,061,924, Reexam. No. 90/003,789, Apr. 10, 1995, Cl. 341/076,
EFFICIENT VECTOR CODEBOOK, John N. Mailhot, Owner of Record: AT & T Bell
Labs, New York, N.Y.,  Attorney or Agent: S.H. Dworetsky, Murray Hill,
N.J., Ex. Gp.: 2104, Requester: Owner

   5,187,787, Reexam. No. 90/003,790, Apr. 11, 1995, Cl. 395/600,
APPARATUS AND METHOD FOR PROVIDING DECOUPLING OF DATA EXCHANGE DETAILS FOR
PROVIDING HIGH PERFORMANCE COMMUNICATION BETWEEN SOFTWARE PROCESSES, M.D.
Skeen, et. al., Owner of Record: Teknekron Software Systems, Inc., Palo
Alto, Calif.,  Attorney or Agent: Willis E. Higgins, Cooley Godward Castro
Huddleston & Tatum, Palo Alto, Calif., Ex. Gp.: 2307, Requester: Isis
Distributed Systems c/o Robert A. Cesari, Cesari & Mc Kenna, Boston, Mass.

   5,242,059, Reexam. No. 90/003,793, Apr. 14, 1995, Cl. 209/552, METHOD
AND APPARATUS FOR SORTING MATERIAL, John M. Low, et. al., Owner of Record:
Sortex, Ltd., London, England,  Attorney or Agent: Paul J. Sjoquist,
Palmatier, Sjoquist & Helget, Minneapolis, Minn., Ex. Gp.: 3101,
Requester: Bruce D. Gray, Birch Stewart Kolasch & Birch, Falls Church, Va.